diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 7fb48c8054..a345e4f5b7 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -1014,33 +1014,6 @@ tasks:
             TOPOLOGY: "server"
         - func: "run doctests"
 
-    - name: "test-3.6-standalone"
-      tags: ["3.6", "standalone"]
-      commands:
-        - func: "bootstrap mongo-orchestration"
-          vars:
-            VERSION: "3.6"
-            TOPOLOGY: "server"
-        - func: "run tests"
-
-    - name: "test-3.6-replica_set"
-      tags: ["3.6", "replica_set"]
-      commands:
-        - func: "bootstrap mongo-orchestration"
-          vars:
-            VERSION: "3.6"
-            TOPOLOGY: "replica_set"
-        - func: "run tests"
-
-    - name: "test-3.6-sharded_cluster"
-      tags: ["3.6", "sharded_cluster"]
-      commands:
-        - func: "bootstrap mongo-orchestration"
-          vars:
-            VERSION: "3.6"
-            TOPOLOGY: "sharded_cluster"
-        - func: "run tests"
-
     - name: "test-4.0-standalone"
       tags: ["4.0", "standalone"]
       commands:
@@ -2186,10 +2159,6 @@ axes:
   - id: mongodb-version
     display_name: "MongoDB"
     values:
-      - id: "3.6"
-        display_name: "MongoDB 3.6"
-        variables:
-          VERSION: "3.6"
       - id: "4.0"
         display_name: "MongoDB 4.0"
         variables:
@@ -2490,7 +2459,6 @@ buildvariants:
     - ".4.4"
     - ".4.2"
     - ".4.0"
-    - ".3.6"
 
 - matrix_name: "test-macos-arm64"
   matrix_spec:
@@ -2562,7 +2530,6 @@ buildvariants:
     - ".4.4"
     - ".4.2"
     - ".4.0"
-    - ".3.6"
 
 - matrix_name: "tests-pyopenssl"
   matrix_spec:
@@ -2657,19 +2624,22 @@ buildvariants:
   display_name: "${compression} ${c-extensions} ${python-version} ${platform}"
   tasks:
     - "test-latest-standalone"
+    - "test-8.0-standalone"
+    - "test-7.0-standalone"
+    - "test-6.0-standalone"
     - "test-5.0-standalone"
     - "test-4.4-standalone"
     - "test-4.2-standalone"
+    - "test-4.0-standalone"
   rules:
-    # Server versions 3.6 and 4.0 support snappy and zlib.
+    # Server version 4.0 supports snappy and zlib but not zstd.
     - if:
         python-version: "*"
         c-extensions: "*"
-        compression: ["snappy", "zlib"]
+        compression: ["zstd"]
       then:
-        add_tasks:
+        remove_tasks:
           - "test-4.0-standalone"
-          - "test-3.6-standalone"
 
 - matrix_name: "tests-python-version-green-framework-rhel8"
   matrix_spec:
@@ -2734,7 +2704,7 @@ buildvariants:
   matrix_spec:
     platform: rhel8
     storage-engine: "*"
-    python-version: 3.9
+    python-version: "3.9"
   display_name: "Storage ${storage-engine} ${python-version} ${platform}"
   rules:
     - if:
@@ -2751,7 +2721,6 @@ buildvariants:
           - "test-4.4-standalone"
           - "test-4.2-standalone"
           - "test-4.0-standalone"
-          - "test-3.6-standalone"
     - if:
         # MongoDB 4.2 drops support for MMAPv1
         platform: rhel8
@@ -2761,8 +2730,6 @@ buildvariants:
         add_tasks:
           - "test-4.0-standalone"
           - "test-4.0-replica_set"
-          - "test-3.6-standalone"
-          - "test-3.6-replica_set"
 
 # enableTestCommands=0 tests on RHEL 8.4 (x86_64) with Python 3.9.
 - matrix_name: "test-disableTestCommands"
@@ -2881,6 +2848,9 @@ buildvariants:
   tasks:
     # Versioned API was introduced in MongoDB 4.7
     - "test-latest-standalone"
+    - "test-8.0-standalone"
+    - "test-7.0-standalone"
+    - "test-6.0-standalone"
     - "test-5.0-standalone"
 
 - matrix_name: "ocsp-test"
diff --git a/README.md b/README.md
index 9b5aa33f78..f5e2cdf46d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ a native Python driver for MongoDB. The `gridfs` package is a
 [gridfs](https://github.com/mongodb/specifications/blob/master/source/gridfs/gridfs-spec.rst/)
 implementation on top of `pymongo`.
 
-PyMongo supports MongoDB 3.6, 4.0, 4.2, 4.4, 5.0, 6.0, 7.0, and 8.0.
+PyMongo supports MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, 7.0, and 8.0.
 
 ## Support / Feedback
 
diff --git a/doc/changelog.rst b/doc/changelog.rst
index a73a89a0ef..6a118f56ca 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -5,6 +5,21 @@ Changes in Version 4.11.0
 -------------------------
 
 .. warning:: PyMongo 4.11 drops support for Python 3.8: Python 3.9+ or PyPy 3.9+ is now required.
+.. warning:: PyMongo 4.11 drops support for MongoDB 3.6. PyMongo now supports MongoDB 4.0+.
+   Driver support for MongoDB 3.6 reached end of life in April 2024.
+
+PyMongo 4.11 brings a number of changes including:
+
+- Dropped support for Python 3.8.
+- Dropped support for MongoDB 3.6.
+
+Issues Resolved
+...............
+
+See the `PyMongo 4.11 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PyMongo 4.11 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=40784
 
 Changes in Version 4.10.1
 -------------------------
diff --git a/doc/common-issues.rst b/doc/common-issues.rst
index 3d2d06a5a7..b300bac784 100644
--- a/doc/common-issues.rst
+++ b/doc/common-issues.rst
@@ -6,14 +6,14 @@ Also see the :ref:`TLSErrors` section.
 Server reports wire version X, PyMongo requires Y
 -------------------------------------------------
 
-When one attempts to connect to a <=3.4 version server, PyMongo will throw the following error::
+When one attempts to connect to a <=3.6 version server, PyMongo will throw the following error::
 
   >>> client.admin.command('ping')
   ...
-  pymongo.errors.ConfigurationError: Server at localhost:27017 reports wire version 5, but this version of PyMongo requires at least 6 (MongoDB 3.6).
+  pymongo.errors.ConfigurationError: Server at localhost:27017 reports wire version 6, but this version of PyMongo requires at least 7 (MongoDB 4.0).
 
 This is caused by the driver being too new for the server it is being run against.
-To resolve this issue either upgrade your database to version >= 3.6 or downgrade to PyMongo 3.x which supports MongoDB >= 2.6.
+To resolve this issue either upgrade your database to version >= 4.0 or downgrade to an early version of PyMongo which supports MongoDB < 4.0.
 
 
 'Cursor' object has no attribute '_Cursor__killed'
diff --git a/doc/examples/authentication.rst b/doc/examples/authentication.rst
index 24b3cff8df..6c89910f3c 100644
--- a/doc/examples/authentication.rst
+++ b/doc/examples/authentication.rst
@@ -97,9 +97,8 @@ the "MongoDB Challenge-Response" protocol::
 Default Authentication Mechanism
 --------------------------------
 
-If no mechanism is specified, PyMongo automatically SCRAM-SHA-1 when connected
-to MongoDB 3.6 and negotiates the mechanism to use (SCRAM-SHA-1
-or SCRAM-SHA-256) when connected to MongoDB 4.0+.
+If no mechanism is specified, PyMongo automatically negotiates the mechanism to use (SCRAM-SHA-1
+or SCRAM-SHA-256) with the MongoDB server.
 
 Default Database and "authSource"
 ---------------------------------
diff --git a/pymongo/asynchronous/collection.py b/pymongo/asynchronous/collection.py
index 5abc41a7e0..4ddcbab4d2 100644
--- a/pymongo/asynchronous/collection.py
+++ b/pymongo/asynchronous/collection.py
@@ -1960,20 +1960,15 @@ async def _count_cmd(
         collation: Optional[Collation],
     ) -> int:
         """Internal count command helper."""
-        # XXX: "ns missing" checks can be removed when we drop support for
-        # MongoDB 3.0, see SERVER-17051.
         res = await self._command(
             conn,
             cmd,
             read_preference=read_preference,
-            allowable_errors=["ns missing"],
             codec_options=self._write_response_codec_options,
             read_concern=self.read_concern,
             collation=collation,
             session=session,
         )
-        if res.get("errmsg", "") == "ns missing":
-            return 0
         return int(res["n"])
 
     async def _aggregate_one_result(
diff --git a/pymongo/asynchronous/mongo_client.py b/pymongo/asynchronous/mongo_client.py
index 814c604562..bfae302dac 100644
--- a/pymongo/asynchronous/mongo_client.py
+++ b/pymongo/asynchronous/mongo_client.py
@@ -498,9 +498,8 @@ def __init__(
           - `authSource`: The database to authenticate on. Defaults to the
             database specified in the URI, if provided, or to "admin".
           - `authMechanism`: See :data:`~pymongo.auth.MECHANISMS` for options.
-            If no mechanism is specified, PyMongo automatically SCRAM-SHA-1
-            when connected to MongoDB 3.6 and negotiates the mechanism to use
-            (SCRAM-SHA-1 or SCRAM-SHA-256) when connected to MongoDB 4.0+.
+            If no mechanism is specified, PyMongo automatically negotiates the
+            mechanism to use (SCRAM-SHA-1 or SCRAM-SHA-256) with the MongoDB server.
           - `authMechanismProperties`: Used to specify authentication mechanism
             specific options. To specify the service name for GSSAPI
             authentication pass authMechanismProperties='SERVICE_NAME:<service
diff --git a/pymongo/common.py b/pymongo/common.py
index 126d0ee46e..87aa936f5d 100644
--- a/pymongo/common.py
+++ b/pymongo/common.py
@@ -66,8 +66,8 @@
 MAX_WRITE_BATCH_SIZE = 1000
 
 # What this version of PyMongo supports.
-MIN_SUPPORTED_SERVER_VERSION = "3.6"
-MIN_SUPPORTED_WIRE_VERSION = 6
+MIN_SUPPORTED_SERVER_VERSION = "4.0"
+MIN_SUPPORTED_WIRE_VERSION = 7
 # MongoDB 8.0
 MAX_SUPPORTED_WIRE_VERSION = 25
 
diff --git a/pymongo/synchronous/collection.py b/pymongo/synchronous/collection.py
index 15a1913eaa..6fd2ac82dd 100644
--- a/pymongo/synchronous/collection.py
+++ b/pymongo/synchronous/collection.py
@@ -1959,20 +1959,15 @@ def _count_cmd(
         collation: Optional[Collation],
     ) -> int:
         """Internal count command helper."""
-        # XXX: "ns missing" checks can be removed when we drop support for
-        # MongoDB 3.0, see SERVER-17051.
         res = self._command(
             conn,
             cmd,
             read_preference=read_preference,
-            allowable_errors=["ns missing"],
             codec_options=self._write_response_codec_options,
             read_concern=self.read_concern,
             collation=collation,
             session=session,
         )
-        if res.get("errmsg", "") == "ns missing":
-            return 0
         return int(res["n"])
 
     def _aggregate_one_result(
diff --git a/pymongo/synchronous/mongo_client.py b/pymongo/synchronous/mongo_client.py
index b2dff5b4ab..1351cb200f 100644
--- a/pymongo/synchronous/mongo_client.py
+++ b/pymongo/synchronous/mongo_client.py
@@ -496,9 +496,8 @@ def __init__(
           - `authSource`: The database to authenticate on. Defaults to the
             database specified in the URI, if provided, or to "admin".
           - `authMechanism`: See :data:`~pymongo.auth.MECHANISMS` for options.
-            If no mechanism is specified, PyMongo automatically SCRAM-SHA-1
-            when connected to MongoDB 3.6 and negotiates the mechanism to use
-            (SCRAM-SHA-1 or SCRAM-SHA-256) when connected to MongoDB 4.0+.
+            If no mechanism is specified, PyMongo automatically negotiates the
+            mechanism to use (SCRAM-SHA-1 or SCRAM-SHA-256) with the MongoDB server.
           - `authMechanismProperties`: Used to specify authentication mechanism
             specific options. To specify the service name for GSSAPI
             authentication pass authMechanismProperties='SERVICE_NAME:<service
diff --git a/test/asynchronous/test_client.py b/test/asynchronous/test_client.py
index 2052d1cd7f..faa23348c9 100644
--- a/test/asynchronous/test_client.py
+++ b/test/asynchronous/test_client.py
@@ -99,7 +99,7 @@
 from pymongo.asynchronous.settings import TOPOLOGY_TYPE
 from pymongo.asynchronous.topology import _ErrorContext
 from pymongo.client_options import ClientOptions
-from pymongo.common import _UUID_REPRESENTATIONS, CONNECT_TIMEOUT, has_c
+from pymongo.common import _UUID_REPRESENTATIONS, CONNECT_TIMEOUT, MIN_SUPPORTED_WIRE_VERSION, has_c
 from pymongo.compression_support import _have_snappy, _have_zstd
 from pymongo.driver_info import DriverInfo
 from pymongo.errors import (
@@ -2455,8 +2455,8 @@ async def _test_network_error(self, operation_callback):
             self.addAsyncCleanup(c.close)
 
             # Set host-specific information so we can test whether it is reset.
-            c.set_wire_version_range("a:1", 2, 6)
-            c.set_wire_version_range("b:2", 2, 7)
+            c.set_wire_version_range("a:1", 2, MIN_SUPPORTED_WIRE_VERSION)
+            c.set_wire_version_range("b:2", 2, MIN_SUPPORTED_WIRE_VERSION + 1)
             await (await c._get_topology()).select_servers(writable_server_selector, _Op.TEST)
             wait_until(lambda: len(c.nodes) == 2, "connect")
 
@@ -2480,7 +2480,7 @@ async def _test_network_error(self, operation_callback):
             sd_b = server_b.description
             self.assertEqual(SERVER_TYPE.RSSecondary, sd_b.server_type)
             self.assertEqual(2, sd_b.min_wire_version)
-            self.assertEqual(7, sd_b.max_wire_version)
+            self.assertEqual(MIN_SUPPORTED_WIRE_VERSION + 1, sd_b.max_wire_version)
 
     async def test_network_error_on_query(self):
         async def callback(client):
diff --git a/test/discovery_and_monitoring/rs/null_election_id-pre-6.0.json b/test/discovery_and_monitoring/rs/null_election_id-pre-6.0.json
index 9e7ccc6e7f..7261fbfc2a 100644
--- a/test/discovery_and_monitoring/rs/null_election_id-pre-6.0.json
+++ b/test/discovery_and_monitoring/rs/null_election_id-pre-6.0.json
@@ -66,7 +66,7 @@
               "$oid": "000000000000000000000002"
             },
             "minWireVersion": 0,
-            "maxWireVersion": 21
+            "maxWireVersion": 7
           }
         ]
       ],
diff --git a/test/mockupdb/test_auth_recovering_member.py b/test/mockupdb/test_auth_recovering_member.py
index 6eadafaf38..046d8d4b0f 100644
--- a/test/mockupdb/test_auth_recovering_member.py
+++ b/test/mockupdb/test_auth_recovering_member.py
@@ -25,7 +25,7 @@
 except ImportError:
     _HAVE_MOCKUPDB = False
 
-from pymongo import MongoClient
+from pymongo import common
 from pymongo.errors import ServerSelectionTimeoutError
 
 pytestmark = pytest.mark.mockupdb
@@ -39,7 +39,7 @@ def test_auth_recovering_member(self):
             "ismaster",
             {
                 "minWireVersion": 2,
-                "maxWireVersion": 6,
+                "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 "ismaster": False,
                 "secondary": False,
                 "setName": "rs",
diff --git a/test/mockupdb/test_cluster_time.py b/test/mockupdb/test_cluster_time.py
index 761415951b..ea879b7ea3 100644
--- a/test/mockupdb/test_cluster_time.py
+++ b/test/mockupdb/test_cluster_time.py
@@ -30,13 +30,16 @@
 
 from bson import Timestamp
 from pymongo import DeleteMany, InsertOne, MongoClient, UpdateOne
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.errors import OperationFailure
 
 pytestmark = pytest.mark.mockupdb
 
 
 class TestClusterTime(PyMongoTestCase):
-    def cluster_time_conversation(self, callback, replies, max_wire_version=6):
+    def cluster_time_conversation(
+        self, callback, replies, max_wire_version=MIN_SUPPORTED_WIRE_VERSION
+    ):
         cluster_time = Timestamp(0, 0)
         server = MockupDB()
 
@@ -110,7 +113,7 @@ def test_monitor(self):
         cluster_time = Timestamp(0, 0)
         reply = {
             "minWireVersion": 0,
-            "maxWireVersion": 6,
+            "maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
             "$clusterTime": {"clusterTime": cluster_time},
         }
 
diff --git a/test/mockupdb/test_cursor.py b/test/mockupdb/test_cursor.py
index 2300297218..e61f220d5b 100644
--- a/test/mockupdb/test_cursor.py
+++ b/test/mockupdb/test_cursor.py
@@ -29,6 +29,7 @@
 
 
 from bson.objectid import ObjectId
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.errors import OperationFailure
 
 pytestmark = pytest.mark.mockupdb
@@ -74,7 +75,7 @@ def _test_fail_on_operation_failure_with_code(self, code):
         server = MockupDB()
         server.run()
         self.addCleanup(server.stop)
-        server.autoresponds("ismaster", maxWireVersion=6)
+        server.autoresponds("ismaster", maxWireVersion=MIN_SUPPORTED_WIRE_VERSION)
 
         client = self.simple_client(server.uri)
 
diff --git a/test/mockupdb/test_cursor_namespace.py b/test/mockupdb/test_cursor_namespace.py
index 455a3a923b..89b897f479 100644
--- a/test/mockupdb/test_cursor_namespace.py
+++ b/test/mockupdb/test_cursor_namespace.py
@@ -29,6 +29,7 @@
 
 
 from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
@@ -39,7 +40,7 @@ class TestCursorNamespace(PyMongoTestCase):
 
     @classmethod
     def setUpClass(cls):
-        cls.server = MockupDB(auto_ismaster={"maxWireVersion": 6})
+        cls.server = MockupDB(auto_ismaster={"maxWireVersion": 7})
         cls.server.run()
         cls.client = cls.unmanaged_simple_client(cls.server.uri)
 
@@ -95,7 +96,7 @@ class TestKillCursorsNamespace(PyMongoTestCase):
 
     @classmethod
     def setUpClass(cls):
-        cls.server = MockupDB(auto_ismaster={"maxWireVersion": 6})
+        cls.server = MockupDB(auto_ismaster={"maxWireVersion": MIN_SUPPORTED_WIRE_VERSION})
         cls.server.run()
         cls.client = cls.unmanaged_simple_client(cls.server.uri)
 
diff --git a/test/mockupdb/test_getmore_sharded.py b/test/mockupdb/test_getmore_sharded.py
index 8ba291e4a7..d24c8aa10a 100644
--- a/test/mockupdb/test_getmore_sharded.py
+++ b/test/mockupdb/test_getmore_sharded.py
@@ -29,7 +29,7 @@
     _HAVE_MOCKUPDB = False
 
 
-from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
@@ -43,7 +43,11 @@ def test_getmore_sharded(self):
         for server in servers:
             server.subscribe(q.put)
             server.autoresponds(
-                "ismaster", ismaster=True, msg="isdbgrid", minWireVersion=2, maxWireVersion=6
+                "ismaster",
+                ismaster=True,
+                msg="isdbgrid",
+                minWireVersion=2,
+                maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
             )
             server.run()
             self.addCleanup(server.stop)
diff --git a/test/mockupdb/test_handshake.py b/test/mockupdb/test_handshake.py
index 8193714a86..7cc3017c8f 100644
--- a/test/mockupdb/test_handshake.py
+++ b/test/mockupdb/test_handshake.py
@@ -28,6 +28,7 @@
 from bson.objectid import ObjectId
 from pymongo import MongoClient, has_c
 from pymongo import version as pymongo_version
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.errors import OperationFailure
 from pymongo.server_api import ServerApi, ServerApiVersion
 
@@ -101,7 +102,12 @@ def test_client_handshake_data(self):
 
         hosts = [server.address_string for server in (primary, secondary)]
         primary_response = OpReply(
-            "ismaster", True, setName="rs", hosts=hosts, minWireVersion=2, maxWireVersion=6
+            "ismaster",
+            True,
+            setName="rs",
+            hosts=hosts,
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
         error_response = OpReply(0, errmsg="Cache Reader No keys found for HMAC ...", code=211)
 
@@ -112,7 +118,7 @@ def test_client_handshake_data(self):
             hosts=hosts,
             secondary=True,
             minWireVersion=2,
-            maxWireVersion=6,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
 
         client = MongoClient(
@@ -179,7 +185,9 @@ def test_client_handshake_saslSupportedMechs(self):
         server.run()
         self.addCleanup(server.stop)
 
-        primary_response = OpReply("ismaster", True, minWireVersion=2, maxWireVersion=6)
+        primary_response = OpReply(
+            "ismaster", True, minWireVersion=2, maxWireVersion=MIN_SUPPORTED_WIRE_VERSION
+        )
         client = MongoClient(server.uri, username="username", password="password")
 
         self.addCleanup(client.close)
@@ -213,7 +221,7 @@ def test_client_handshake_saslSupportedMechs(self):
                         saslSupportedMechs=["SCRAM-SHA-256"],
                         speculativeAuthenticate=auth,
                         minWireVersion=2,
-                        maxWireVersion=6,
+                        maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
                     )
                     # Authentication should immediately fail with:
                     # OperationFailure: Server returned an invalid nonce.
@@ -240,7 +248,12 @@ def test_handshake_not_either(self):
 
     def test_handshake_max_wire(self):
         server = MockupDB()
-        primary_response = {"hello": 1, "ok": 1, "minWireVersion": 0, "maxWireVersion": 6}
+        primary_response = {
+            "hello": 1,
+            "ok": 1,
+            "minWireVersion": 0,
+            "maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
+        }
         self.found_auth_msg = False
 
         def responder(request):
diff --git a/test/mockupdb/test_initial_ismaster.py b/test/mockupdb/test_initial_ismaster.py
index 3eae98716b..a52930c742 100644
--- a/test/mockupdb/test_initial_ismaster.py
+++ b/test/mockupdb/test_initial_ismaster.py
@@ -27,7 +27,7 @@
     _HAVE_MOCKUPDB = False
 
 
-from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
@@ -43,11 +43,15 @@ def test_initial_ismaster(self):
 
         # A single ismaster is enough for the client to be connected.
         self.assertFalse(client.nodes)
-        server.receives("ismaster").ok(ismaster=True, minWireVersion=2, maxWireVersion=6)
+        server.receives("ismaster").ok(
+            ismaster=True, minWireVersion=2, maxWireVersion=MIN_SUPPORTED_WIRE_VERSION
+        )
         wait_until(lambda: client.nodes, "update nodes", timeout=1)
 
         # At least 10 seconds before next heartbeat.
-        server.receives("ismaster").ok(ismaster=True, minWireVersion=2, maxWireVersion=6)
+        server.receives("ismaster").ok(
+            ismaster=True, minWireVersion=2, maxWireVersion=MIN_SUPPORTED_WIRE_VERSION
+        )
         self.assertGreaterEqual(time.time() - start, 10)
 
 
diff --git a/test/mockupdb/test_list_indexes.py b/test/mockupdb/test_list_indexes.py
index ff3363664b..71cad43aa2 100644
--- a/test/mockupdb/test_list_indexes.py
+++ b/test/mockupdb/test_list_indexes.py
@@ -29,13 +29,14 @@
 
 
 from bson import SON
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
 
 class TestListIndexes(PyMongoTestCase):
     def test_list_indexes_command(self):
-        server = MockupDB(auto_ismaster={"maxWireVersion": 6})
+        server = MockupDB(auto_ismaster={"maxWireVersion": MIN_SUPPORTED_WIRE_VERSION})
         server.run()
         self.addCleanup(server.stop)
         client = self.simple_client(server.uri)
diff --git a/test/mockupdb/test_max_staleness.py b/test/mockupdb/test_max_staleness.py
index 7275aaf44b..7168bd2954 100644
--- a/test/mockupdb/test_max_staleness.py
+++ b/test/mockupdb/test_max_staleness.py
@@ -26,7 +26,7 @@
     _HAVE_MOCKUPDB = False
 
 
-from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
@@ -34,7 +34,9 @@
 class TestMaxStalenessMongos(PyMongoTestCase):
     def test_mongos(self):
         mongos = MockupDB()
-        mongos.autoresponds("ismaster", maxWireVersion=6, ismaster=True, msg="isdbgrid")
+        mongos.autoresponds(
+            "ismaster", maxWireVersion=MIN_SUPPORTED_WIRE_VERSION, ismaster=True, msg="isdbgrid"
+        )
         mongos.run()
         self.addCleanup(mongos.stop)
 
diff --git a/test/mockupdb/test_mixed_version_sharded.py b/test/mockupdb/test_mixed_version_sharded.py
index 99d428b5d9..adbe61204b 100644
--- a/test/mockupdb/test_mixed_version_sharded.py
+++ b/test/mockupdb/test_mixed_version_sharded.py
@@ -31,8 +31,6 @@
 
 from operations import upgrades  # type: ignore[import]
 
-from pymongo import MongoClient
-
 pytestmark = pytest.mark.mockupdb
 
 
diff --git a/test/mockupdb/test_mongos_command_read_mode.py b/test/mockupdb/test_mongos_command_read_mode.py
index 7265c97020..61744e184d 100644
--- a/test/mockupdb/test_mongos_command_read_mode.py
+++ b/test/mockupdb/test_mongos_command_read_mode.py
@@ -28,6 +28,7 @@
 from operations import operations  # type: ignore[import]
 
 from pymongo import MongoClient, ReadPreference
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.read_preferences import (
     _MONGOS_MODES,
     make_read_preference,
@@ -41,7 +42,11 @@ class TestMongosCommandReadMode(unittest.TestCase):
     def test_aggregate(self):
         server = MockupDB()
         server.autoresponds(
-            "ismaster", ismaster=True, msg="isdbgrid", minWireVersion=2, maxWireVersion=6
+            "ismaster",
+            ismaster=True,
+            msg="isdbgrid",
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
         self.addCleanup(server.stop)
         server.run()
@@ -76,7 +81,11 @@ def test(self):
         self.addCleanup(server.stop)
         server.run()
         server.autoresponds(
-            "ismaster", ismaster=True, msg="isdbgrid", minWireVersion=2, maxWireVersion=6
+            "ismaster",
+            ismaster=True,
+            msg="isdbgrid",
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
 
         pref = make_read_preference(read_pref_mode_from_name(mode), tag_sets=None)
diff --git a/test/mockupdb/test_network_disconnect_primary.py b/test/mockupdb/test_network_disconnect_primary.py
index 32e0471e26..b5ccd5276f 100644
--- a/test/mockupdb/test_network_disconnect_primary.py
+++ b/test/mockupdb/test_network_disconnect_primary.py
@@ -26,6 +26,7 @@
 
 
 from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.errors import ConnectionFailure
 from pymongo.topology_description import TOPOLOGY_TYPE
 
@@ -44,7 +45,11 @@ def test_network_disconnect_primary(self):
 
         hosts = [server.address_string for server in (primary, secondary)]
         primary_response = OpReply(
-            ismaster=True, setName="rs", hosts=hosts, minWireVersion=2, maxWireVersion=6
+            ismaster=True,
+            setName="rs",
+            hosts=hosts,
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
         primary.autoresponds("ismaster", primary_response)
         secondary.autoresponds(
@@ -54,7 +59,7 @@ def test_network_disconnect_primary(self):
             setName="rs",
             hosts=hosts,
             minWireVersion=2,
-            maxWireVersion=6,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
 
         client = MongoClient(primary.uri, replicaSet="rs")
diff --git a/test/mockupdb/test_op_msg_read_preference.py b/test/mockupdb/test_op_msg_read_preference.py
index 86293d0c09..4cf82c760e 100644
--- a/test/mockupdb/test_op_msg_read_preference.py
+++ b/test/mockupdb/test_op_msg_read_preference.py
@@ -30,7 +30,8 @@
 
 from operations import operations  # type: ignore[import]
 
-from pymongo import MongoClient, ReadPreference
+from pymongo import ReadPreference
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.read_preferences import (
     _MONGOS_MODES,
     make_read_preference,
@@ -66,7 +67,7 @@ def setUpClass(cls):
             "ismaster": True,
             "msg": "isdbgrid",  # Mongos.
             "minWireVersion": 2,
-            "maxWireVersion": 6,
+            "maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
         }
         cls.primary = MockupDB(auto_ismaster=auto_ismaster)
         cls.primary.run()
@@ -93,7 +94,7 @@ def setUpClass(cls):
             "setName": "rs",
             "hosts": hosts,
             "minWireVersion": 2,
-            "maxWireVersion": 6,
+            "maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
         }
         cls.primary.autoresponds(CommandBase("ismaster"), primary_ismaster)
         secondary_ismaster = copy.copy(primary_ismaster)
@@ -134,7 +135,7 @@ def setUpClass(cls):
         auto_ismaster = {
             "ismaster": True,
             "minWireVersion": 2,
-            "maxWireVersion": 6,
+            "maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
         }
         cls.primary = MockupDB(auto_ismaster=auto_ismaster)
         cls.primary.run()
diff --git a/test/mockupdb/test_query_read_pref_sharded.py b/test/mockupdb/test_query_read_pref_sharded.py
index 676e71b711..2fae46be76 100644
--- a/test/mockupdb/test_query_read_pref_sharded.py
+++ b/test/mockupdb/test_query_read_pref_sharded.py
@@ -29,7 +29,7 @@
 
 
 from bson import SON
-from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.read_preferences import (
     Nearest,
     Primary,
@@ -46,7 +46,11 @@ def test_query_and_read_mode_sharded_op_msg(self):
         """Test OP_MSG sends non-primary $readPreference and never $query."""
         server = MockupDB()
         server.autoresponds(
-            "ismaster", ismaster=True, msg="isdbgrid", minWireVersion=2, maxWireVersion=6
+            "ismaster",
+            ismaster=True,
+            msg="isdbgrid",
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
         server.run()
         self.addCleanup(server.stop)
diff --git a/test/mockupdb/test_reset_and_request_check.py b/test/mockupdb/test_reset_and_request_check.py
index dd6ad46b1e..b438afe894 100644
--- a/test/mockupdb/test_reset_and_request_check.py
+++ b/test/mockupdb/test_reset_and_request_check.py
@@ -30,7 +30,7 @@
 
 from operations import operations  # type: ignore[import]
 
-from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.errors import ConnectionFailure
 from pymongo.operations import _Op
 from pymongo.server_type import SERVER_TYPE
@@ -50,7 +50,9 @@ def setup_server(self):
 
         def responder(request):
             self.ismaster_time = time.time()
-            return request.ok(ismaster=True, minWireVersion=2, maxWireVersion=6)
+            return request.ok(
+                ismaster=True, minWireVersion=2, maxWireVersion=MIN_SUPPORTED_WIRE_VERSION
+            )
 
         self.server.autoresponds("ismaster", responder)
         self.server.run()
diff --git a/test/mockupdb/test_slave_okay_rs.py b/test/mockupdb/test_slave_okay_rs.py
index a60531a716..728e4e2ce0 100644
--- a/test/mockupdb/test_slave_okay_rs.py
+++ b/test/mockupdb/test_slave_okay_rs.py
@@ -32,6 +32,7 @@
 from operations import operations  # type: ignore[import]
 
 from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 
 pytestmark = pytest.mark.mockupdb
 
@@ -45,7 +46,12 @@ def setup_server(self):
 
         hosts = [server.address_string for server in (self.primary, self.secondary)]
         self.primary.autoresponds(
-            "ismaster", ismaster=True, setName="rs", hosts=hosts, minWireVersion=2, maxWireVersion=6
+            "ismaster",
+            ismaster=True,
+            setName="rs",
+            hosts=hosts,
+            minWireVersion=2,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
         self.secondary.autoresponds(
             "ismaster",
@@ -54,7 +60,7 @@ def setup_server(self):
             setName="rs",
             hosts=hosts,
             minWireVersion=2,
-            maxWireVersion=6,
+            maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
         )
 
 
diff --git a/test/mockupdb/test_slave_okay_sharded.py b/test/mockupdb/test_slave_okay_sharded.py
index 252fe772b9..6efbff6583 100644
--- a/test/mockupdb/test_slave_okay_sharded.py
+++ b/test/mockupdb/test_slave_okay_sharded.py
@@ -36,6 +36,7 @@
 from operations import operations  # type: ignore[import]
 
 from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.read_preferences import make_read_preference, read_pref_mode_from_name
 
 pytestmark = pytest.mark.mockupdb
@@ -52,7 +53,11 @@ def setup_server(self):
             server.run()
             self.addCleanup(server.stop)
             server.autoresponds(
-                "ismaster", minWireVersion=2, maxWireVersion=6, ismaster=True, msg="isdbgrid"
+                "ismaster",
+                minWireVersion=2,
+                maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
+                ismaster=True,
+                msg="isdbgrid",
             )
 
         self.mongoses_uri = f"mongodb://{self.mongos1.address_string},{self.mongos2.address_string}"
diff --git a/test/mockupdb/test_slave_okay_single.py b/test/mockupdb/test_slave_okay_single.py
index 0f562e569a..88cb1a48a5 100644
--- a/test/mockupdb/test_slave_okay_single.py
+++ b/test/mockupdb/test_slave_okay_single.py
@@ -35,6 +35,7 @@
 from operations import operations  # type: ignore[import]
 
 from pymongo import MongoClient
+from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
 from pymongo.read_preferences import make_read_preference, read_pref_mode_from_name
 from pymongo.topology_description import TOPOLOGY_TYPE
 
@@ -57,7 +58,7 @@ def create_slave_ok_single_test(mode, server_type, ismaster, operation):
     def test(self):
         ismaster_with_version = ismaster.copy()
         ismaster_with_version["minWireVersion"] = 2
-        ismaster_with_version["maxWireVersion"] = 6
+        ismaster_with_version["maxWireVersion"] = MIN_SUPPORTED_WIRE_VERSION
         self.server.autoresponds("ismaster", **ismaster_with_version)
         self.assertIn(
             operation.op_type, ("always-use-secondary", "may-use-secondary", "must-use-primary")
diff --git a/test/test_client.py b/test/test_client.py
index 936c38b8c6..be1994dd93 100644
--- a/test/test_client.py
+++ b/test/test_client.py
@@ -87,7 +87,7 @@
 from bson.tz_util import utc
 from pymongo import event_loggers, message, monitoring
 from pymongo.client_options import ClientOptions
-from pymongo.common import _UUID_REPRESENTATIONS, CONNECT_TIMEOUT, has_c
+from pymongo.common import _UUID_REPRESENTATIONS, CONNECT_TIMEOUT, MIN_SUPPORTED_WIRE_VERSION, has_c
 from pymongo.compression_support import _have_snappy, _have_zstd
 from pymongo.driver_info import DriverInfo
 from pymongo.errors import (
@@ -2411,8 +2411,8 @@ def _test_network_error(self, operation_callback):
             self.addCleanup(c.close)
 
             # Set host-specific information so we can test whether it is reset.
-            c.set_wire_version_range("a:1", 2, 6)
-            c.set_wire_version_range("b:2", 2, 7)
+            c.set_wire_version_range("a:1", 2, MIN_SUPPORTED_WIRE_VERSION)
+            c.set_wire_version_range("b:2", 2, MIN_SUPPORTED_WIRE_VERSION + 1)
             (c._get_topology()).select_servers(writable_server_selector, _Op.TEST)
             wait_until(lambda: len(c.nodes) == 2, "connect")
 
@@ -2436,7 +2436,7 @@ def _test_network_error(self, operation_callback):
             sd_b = server_b.description
             self.assertEqual(SERVER_TYPE.RSSecondary, sd_b.server_type)
             self.assertEqual(2, sd_b.min_wire_version)
-            self.assertEqual(7, sd_b.max_wire_version)
+            self.assertEqual(MIN_SUPPORTED_WIRE_VERSION + 1, sd_b.max_wire_version)
 
     def test_network_error_on_query(self):
         def callback(client):
diff --git a/test/test_discovery_and_monitoring.py b/test/test_discovery_and_monitoring.py
index 3554619f12..ce7a52f1a0 100644
--- a/test/test_discovery_and_monitoring.py
+++ b/test/test_discovery_and_monitoring.py
@@ -250,7 +250,12 @@ def send_cluster_time(time, inc, should_update):
             got_hello(
                 t,
                 ("host", 27017),
-                {"ok": 1, "minWireVersion": 0, "maxWireVersion": 6, "$clusterTime": new},
+                {
+                    "ok": 1,
+                    "minWireVersion": 0,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
+                    "$clusterTime": new,
+                },
             )
 
             actual = t.max_cluster_time()
diff --git a/test/test_server_description.py b/test/test_server_description.py
index ee05e95cf8..fe7a5f7119 100644
--- a/test/test_server_description.py
+++ b/test/test_server_description.py
@@ -118,7 +118,7 @@ def test_fields(self):
                 "maxBsonObjectSize": 2,
                 "maxWriteBatchSize": 3,
                 "minWireVersion": 4,
-                "maxWireVersion": 5,
+                "maxWireVersion": 25,
                 "setName": "rs",
             }
         )
@@ -130,7 +130,7 @@ def test_fields(self):
         self.assertEqual(2, s.max_bson_size)
         self.assertEqual(3, s.max_write_batch_size)
         self.assertEqual(4, s.min_wire_version)
-        self.assertEqual(5, s.max_wire_version)
+        self.assertEqual(25, s.max_wire_version)
 
     def test_default_max_message_size(self):
         s = parse_hello_response({"ok": 1, HelloCompat.LEGACY_CMD: True, "maxBsonObjectSize": 2})
diff --git a/test/test_topology.py b/test/test_topology.py
index 3725bab936..86aa87c2cc 100644
--- a/test/test_topology.py
+++ b/test/test_topology.py
@@ -133,7 +133,7 @@ def test_direct_connection(self):
                     HelloCompat.LEGACY_CMD: True,
                     "hosts": ["a"],
                     "setName": "rs",
-                    "maxWireVersion": 6,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 },
             ),
             (
@@ -144,12 +144,17 @@ def test_direct_connection(self):
                     "secondary": True,
                     "hosts": ["a"],
                     "setName": "rs",
-                    "maxWireVersion": 6,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 },
             ),
             (
                 SERVER_TYPE.Mongos,
-                {"ok": 1, HelloCompat.LEGACY_CMD: True, "msg": "isdbgrid", "maxWireVersion": 6},
+                {
+                    "ok": 1,
+                    HelloCompat.LEGACY_CMD: True,
+                    "msg": "isdbgrid",
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
+                },
             ),
             (
                 SERVER_TYPE.RSArbiter,
@@ -159,14 +164,28 @@ def test_direct_connection(self):
                     "arbiterOnly": True,
                     "hosts": ["a"],
                     "setName": "rs",
-                    "maxWireVersion": 6,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
+                },
+            ),
+            (
+                SERVER_TYPE.Standalone,
+                {
+                    "ok": 1,
+                    HelloCompat.LEGACY_CMD: True,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 },
             ),
-            (SERVER_TYPE.Standalone, {"ok": 1, HelloCompat.LEGACY_CMD: True, "maxWireVersion": 6}),
             # A "slave" in a master-slave deployment.
             # This replication type was removed in MongoDB
             # 4.0.
-            (SERVER_TYPE.Standalone, {"ok": 1, HelloCompat.LEGACY_CMD: False, "maxWireVersion": 6}),
+            (
+                SERVER_TYPE.Standalone,
+                {
+                    "ok": 1,
+                    HelloCompat.LEGACY_CMD: False,
+                    "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
+                },
+            ),
         ]:
             t = create_mock_topology(direct_connection=True)
 
@@ -213,7 +232,10 @@ def test_round_trip_time(self):
         class TestMonitor(Monitor):
             def _check_with_socket(self, *args, **kwargs):
                 if available:
-                    return (Hello({"ok": 1, "maxWireVersion": 6}), round_trip_time)
+                    return (
+                        Hello({"ok": 1, "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION}),
+                        round_trip_time,
+                    )
                 else:
                     raise AutoReconnect("mock monitor error")
 
@@ -531,12 +553,12 @@ def test_wire_version(self):
                 "setName": "rs",
                 "hosts": ["a"],
                 "minWireVersion": 1,
-                "maxWireVersion": 6,
+                "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
             },
         )
 
         self.assertEqual(server.description.min_wire_version, 1)
-        self.assertEqual(server.description.max_wire_version, 6)
+        self.assertEqual(server.description.max_wire_version, 7)
         t.select_servers(any_server_selector, _Op.TEST)
 
         # Incompatible.
@@ -607,7 +629,7 @@ def write_batch_size():
                 HelloCompat.LEGACY_CMD: True,
                 "setName": "rs",
                 "hosts": ["a", "b"],
-                "maxWireVersion": 6,
+                "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 "maxWriteBatchSize": 1,
             },
         )
@@ -621,7 +643,7 @@ def write_batch_size():
                 "secondary": True,
                 "setName": "rs",
                 "hosts": ["a", "b"],
-                "maxWireVersion": 6,
+                "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 "maxWriteBatchSize": 2,
             },
         )
@@ -638,7 +660,7 @@ def write_batch_size():
                 HelloCompat.LEGACY_CMD: True,
                 "setName": "rs",
                 "hosts": ["a", "b"],
-                "maxWireVersion": 6,
+                "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION,
                 "maxWriteBatchSize": 2,
             },
         )
@@ -735,7 +757,7 @@ class TestMonitor(Monitor):
             def _check_with_socket(self, *args, **kwargs):
                 hello_count[0] += 1
                 if hello_count[0] == 1:
-                    return Hello({"ok": 1, "maxWireVersion": 6}), 0
+                    return Hello({"ok": 1, "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION}), 0
                 else:
                     raise AutoReconnect("mock monitor error")
 
@@ -757,7 +779,7 @@ class TestMonitor(Monitor):
             def _check_with_socket(self, *args, **kwargs):
                 hello_count[0] += 1
                 if hello_count[0] in (1, 3):
-                    return Hello({"ok": 1, "maxWireVersion": 6}), 0
+                    return Hello({"ok": 1, "maxWireVersion": common.MIN_SUPPORTED_WIRE_VERSION}), 0
                 else:
                     raise AutoReconnect(f"mock monitor error #{hello_count[0]}")
 
diff --git a/test/utils_selection_tests.py b/test/utils_selection_tests.py
index cef5780d21..2d21888e27 100644
--- a/test/utils_selection_tests.py
+++ b/test/utils_selection_tests.py
@@ -26,7 +26,7 @@
 from test.utils import MockPool, parse_read_preference
 
 from bson import json_util
-from pymongo.common import HEARTBEAT_FREQUENCY, clean_node
+from pymongo.common import HEARTBEAT_FREQUENCY, MIN_SUPPORTED_WIRE_VERSION, clean_node
 from pymongo.errors import AutoReconnect, ConfigurationError
 from pymongo.hello import Hello, HelloCompat
 from pymongo.operations import _Op
@@ -85,7 +85,7 @@ def make_server_description(server, hosts):
         if field in server:
             hello_response[field] = server[field]
 
-    hello_response.setdefault("maxWireVersion", 6)
+    hello_response.setdefault("maxWireVersion", MIN_SUPPORTED_WIRE_VERSION)
 
     # Sets _last_update_time to now.
     sd = ServerDescription(