diff --git a/sacred/dependencies.py b/sacred/dependencies.py
index 8470c048..42eaa284 100644
--- a/sacred/dependencies.py
+++ b/sacred/dependencies.py
@@ -8,7 +8,7 @@
 import sys
 from pathlib import Path
 
-import pkg_resources
+from importlib.metadata import distribution, distributions
 
 import sacred.optional as opt
 from sacred import SETTINGS
@@ -226,7 +226,7 @@
     "pickletools",
     "pip",
     "pipes",
-    "pkg_resources",
+    "importlib",
     "pkgutil",
     "platform",
     "plistlib",
@@ -498,8 +498,11 @@ def __init__(self, name, version):
     def fill_missing_version(self):
         if self.version is not None:
             return
-        dist = pkg_resources.working_set.by_key.get(self.name)
-        self.version = dist.version if dist else None
+        try:
+            dist = distribution(self.name)
+            self.version = dist.version
+        except Exception:
+            self.version = None
 
     def to_json(self):
         return "{}=={}".format(self.name, self.version or "<unknown>")
@@ -524,11 +527,17 @@ def create(cls, mod):
         if not cls.modname_to_dist:
             # some packagenames don't match the module names (e.g. PyYAML)
             # so we set up a dict to map from module name to package name
-            for dist in pkg_resources.working_set:
+            for dist in distributions():
                 try:
-                    toplevel_names = dist._get_metadata("top_level.txt")
-                    for tln in toplevel_names:
-                        cls.modname_to_dist[tln] = dist.project_name, dist.version
+                    # Use read_text to get top_level.txt content
+                    if dist.files:
+                        for file in dist.files:
+                            if str(file).endswith("top_level.txt"):
+                                top_level_txt = file.read_text()
+                                for tln in top_level_txt.strip().split("\n"):
+                                    if tln:
+                                        cls.modname_to_dist[tln] = (dist.name, dist.version)
+                                break
                 except Exception:
                     pass
 
@@ -701,7 +710,7 @@ def get_dependencies_from_imported_modules(globs, base_path):
 
 def get_dependencies_from_pkg(globs, base_path):
     dependencies = set()
-    for dist in pkg_resources.working_set:
+    for dist in distributions():
         if dist.version == "0.0.0":
             continue  # ugly hack to deal with pkg-resource version bug
         dependencies.add(PackageDependency(dist.project_name, dist.version))
diff --git a/sacred/observers/mongo.py b/sacred/observers/mongo.py
index 7c6a90e9..018276dd 100644
--- a/sacred/observers/mongo.py
+++ b/sacred/observers/mongo.py
@@ -15,16 +15,15 @@
 from sacred.observers.queue import QueueObserver
 from sacred.serializer import flatten
 from sacred.utils import ObserverError, PathType
-import pkg_resources
+
+import importlib.resources as importlib_resources  # type: ignore
 
 DEFAULT_MONGO_PRIORITY = 30
 
-# This ensures consistent mimetype detection across platforms.
 mimetype_detector = mimetypes.MimeTypes(
-    filenames=[pkg_resources.resource_filename("sacred", "data/mime.types")]
+    filenames=[importlib_resources.files("sacred").joinpath("data", "mime.types")]
 )
 
-
 def force_valid_bson_key(key):
     key = str(key)
     if key.startswith("$"):
@@ -662,4 +661,4 @@ def __init__(
             ),
             interval=interval,
             retry_interval=retry_interval,
-        )
+        )
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 405e68df..5582084f 100755
--- a/setup.py
+++ b/setup.py
@@ -8,10 +8,11 @@
 Intended Audience :: Science/Research
 Natural Language :: English
 Operating System :: OS Independent
-Programming Language :: Python :: 3.8
 Programming Language :: Python :: 3.9
 Programming Language :: Python :: 3.10
 Programming Language :: Python :: 3.11
+Programming Language :: Python :: 3.12
+Programming Language :: Python :: 3.13
 Topic :: Utilities
 Topic :: Scientific/Engineering
 Topic :: Scientific/Engineering :: Artificial Intelligence