diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bb7c86b..b718c84 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,8 +11,10 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
-          - 'pypy3.9'
+          - '3.12'
+          - '3.13'
           - 'pypy3.10'
+          - 'pypy3.11'
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
diff --git a/.pylintrc b/.pylintrc
index 929417e..b75c6a3 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -13,7 +13,7 @@ indent-after-paren=4
 expected-line-ending-format=LF
 
 [MESSAGES CONTROL]
-disable=C0111,too-many-arguments,too-many-instance-attributes,deprecated-method
+disable=C0111,too-many-arguments,too-many-instance-attributes,too-many-positional-arguments
 
 [REPORTS]
-reports=no
\ No newline at end of file
+reports=no
diff --git a/pygelf/handlers.py b/pygelf/handlers.py
index a42d07b..d4f1062 100644
--- a/pygelf/handlers.py
+++ b/pygelf/handlers.py
@@ -116,22 +116,26 @@ def __init__(self, validate=False, ca_certs=None, certfile=None, keyfile=None, *
 
         GelfTcpHandler.__init__(self, **kwargs)
 
-        self.ca_certs = ca_certs
-        self.reqs = ssl.CERT_REQUIRED if validate else ssl.CERT_NONE
-        self.certfile = certfile
-        self.keyfile = keyfile if keyfile else certfile
+        self.ctx = ssl.create_default_context()
 
-    def makeSocket(self, timeout=1):
-        plain_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        if not validate:
+            self.ctx.check_hostname = False
+            self.ctx.verify_mode = ssl.CERT_NONE
+
+        if ca_certs:
+            self.ctx.load_verify_locations(cafile=ca_certs)
 
-        if hasattr(plain_socket, 'settimeout'):
-            plain_socket.settimeout(timeout)
+        if certfile:
+            self.ctx.load_cert_chain(certfile, keyfile)
+
+    def makeSocket(self, timeout=1):
+        plain = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        plain.settimeout(timeout)
 
-        wrapped_socket = ssl.wrap_socket(plain_socket, ca_certs=self.ca_certs, cert_reqs=self.reqs,
-                                         keyfile=self.keyfile, certfile=self.certfile)
-        wrapped_socket.connect((self.host, self.port))
+        wrapped = self.ctx.wrap_socket(plain, server_hostname=self.host)
+        wrapped.connect((self.host, self.port))
 
-        return wrapped_socket
+        return wrapped
 
 
 class GelfHttpHandler(BaseHandler, LoggingHandler):
diff --git a/setup.py b/setup.py
index ccedcb7..d58332d 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='pygelf',
-    version='0.4.2',
+    version='0.4.3',
     packages=['pygelf'],
     description='Logging handlers with GELF support',
     keywords='logging udp tcp ssl tls graylog2 graylog gelf',
@@ -20,6 +20,8 @@
         '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',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: System :: Logging',
diff --git a/tests/config/docker-compose.yml b/tests/config/docker-compose.yml
index 986d14b..6999c4a 100644
--- a/tests/config/docker-compose.yml
+++ b/tests/config/docker-compose.yml
@@ -15,8 +15,8 @@ services:
       - GRAYLOG_ROOT_PASSWORD_SHA2=8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918
       - GRAYLOG_HTTP_EXTERNAL_URI=http://127.0.0.1:9000/
     volumes:
-      - ./cert.pem:/usr/share/graylog/data/cert.pem
-      - ./key.pem:/usr/share/graylog/data/key.pem
+      - ./cert.pem:/usr/share/graylog/data/cert.pem:ro
+      - ./key.pem:/usr/share/graylog/data/key.pem:ro
     links:
       - mongo
       - elasticsearch
diff --git a/tests/config/graylog-setup.sh b/tests/config/graylog-setup.sh
index 1b5debb..fd58807 100755
--- a/tests/config/graylog-setup.sh
+++ b/tests/config/graylog-setup.sh
@@ -58,7 +58,7 @@ HTTPS_INPUT='{
         "tls_key_file": "/usr/share/graylog/data/key.pem"
     },
     "type": "org.graylog2.inputs.gelf.http.GELFHttpInput",
-    "global": true  
+    "global": true
 }'
 
 curl -u admin:admin "$API_URL/search/universal/relative?query=test&range=5&fields=message" > /dev/null
@@ -76,9 +76,4 @@ sleep 10
 for _ in {1..5}; do
     curl -X "POST" -H "Content-Type: application/json" "http://localhost:12203/gelf" -p0 -d '{"short_message": "warm-up", "host": "localhost"}'
     sleep 1
-    curl -k -X "POST" -H "Content-Type: application/json" "https://localhost:12205/gelf" -p0 -d '{"short_message": "warm-up", "host": "localhost"}'
-    sleep 1
 done
-
-docker exec -u 0 $(docker ps |grep graylog | awk '{print $1}') chown graylog data/key.pem
-docker exec -u 0 $(docker ps |grep graylog | awk '{print $1}') chmod 0600 data/key.pem
\ No newline at end of file
diff --git a/tests/test_common_fields.py b/tests/test_common_fields.py
index e2ead81..f794e62 100644
--- a/tests/test_common_fields.py
+++ b/tests/test_common_fields.py
@@ -10,15 +10,15 @@
 
 
 @pytest.fixture(params=[
-    GelfTcpHandler(host='127.0.0.1', port=12201),
-    GelfUdpHandler(host='127.0.0.1', port=12202),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False),
-    GelfHttpHandler(host='127.0.0.1', port=12203),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False),
-    GelfTlsHandler(host='127.0.0.1', port=12204),
-    GelfHttpsHandler(host='127.0.0.1', port=12205, validate=False),
+    GelfTcpHandler(host='localhost', port=12201),
+    GelfUdpHandler(host='localhost', port=12202),
+    GelfUdpHandler(host='localhost', port=12202, compress=False),
+    GelfHttpHandler(host='localhost', port=12203),
+    GelfHttpHandler(host='localhost', port=12203, compress=False),
+    GelfTlsHandler(host='localhost', port=12204),
+    GelfHttpsHandler(host='localhost', port=12205, validate=False),
     GelfHttpsHandler(host='localhost', port=12205, validate=True, ca_certs='tests/config/cert.pem'),
-    GelfTlsHandler(host='127.0.0.1', port=12204, validate=True, ca_certs='tests/config/cert.pem'),
+    GelfTlsHandler(host='localhost', port=12204, validate=True, ca_certs='tests/config/cert.pem'),
 ])
 def handler(request):
     return request.param
diff --git a/tests/test_debug_mode.py b/tests/test_debug_mode.py
index 466d2f0..18d730a 100644
--- a/tests/test_debug_mode.py
+++ b/tests/test_debug_mode.py
@@ -4,13 +4,13 @@
 
 
 @pytest.fixture(params=[
-    GelfTcpHandler(host='127.0.0.1', port=12201, debug=True),
-    GelfUdpHandler(host='127.0.0.1', port=12202, debug=True),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False, debug=True),
-    GelfHttpHandler(host='127.0.0.1', port=12203, debug=True),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False, debug=True),
-    GelfTlsHandler(host='127.0.0.1', port=12204, debug=True),
-    GelfTlsHandler(host='127.0.0.1', port=12204, debug=True, validate=True, ca_certs='tests/config/cert.pem'),
+    GelfTcpHandler(host='localhost', port=12201, debug=True),
+    GelfUdpHandler(host='localhost', port=12202, debug=True),
+    GelfUdpHandler(host='localhost', port=12202, compress=False, debug=True),
+    GelfHttpHandler(host='localhost', port=12203, debug=True),
+    GelfHttpHandler(host='localhost', port=12203, compress=False, debug=True),
+    GelfTlsHandler(host='localhost', port=12204, debug=True),
+    GelfTlsHandler(host='localhost', port=12204, debug=True, validate=True, ca_certs='tests/config/cert.pem'),
     GelfHttpsHandler(host='localhost', port=12205, debug=True, validate=True, ca_certs='tests/config/cert.pem')
 
 ])
diff --git a/tests/test_dynamic_fields.py b/tests/test_dynamic_fields.py
index 7d9393d..909ef7c 100644
--- a/tests/test_dynamic_fields.py
+++ b/tests/test_dynamic_fields.py
@@ -13,14 +13,14 @@ def filter(self, record):
 
 
 @pytest.fixture(params=[
-    GelfTcpHandler(host='127.0.0.1', port=12201, include_extra_fields=True),
-    GelfUdpHandler(host='127.0.0.1', port=12202, include_extra_fields=True),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False, include_extra_fields=True),
-    GelfHttpHandler(host='127.0.0.1', port=12203, include_extra_fields=True),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False, include_extra_fields=True),
-    GelfTlsHandler(host='127.0.0.1', port=12204, include_extra_fields=True),
-    GelfHttpsHandler(host='127.0.0.1', port=12205, validate=False, include_extra_fields=True),
-    GelfTlsHandler(host='127.0.0.1', port=12204, validate=True, ca_certs='tests/config/cert.pem', include_extra_fields=True),
+    GelfTcpHandler(host='localhost', port=12201, include_extra_fields=True),
+    GelfUdpHandler(host='localhost', port=12202, include_extra_fields=True),
+    GelfUdpHandler(host='localhost', port=12202, compress=False, include_extra_fields=True),
+    GelfHttpHandler(host='localhost', port=12203, include_extra_fields=True),
+    GelfHttpHandler(host='localhost', port=12203, compress=False, include_extra_fields=True),
+    GelfTlsHandler(host='localhost', port=12204, include_extra_fields=True),
+    GelfHttpsHandler(host='localhost', port=12205, validate=False, include_extra_fields=True),
+    GelfTlsHandler(host='localhost', port=12204, validate=True, ca_certs='tests/config/cert.pem', include_extra_fields=True),
 ])
 def handler(request):
     return request.param
diff --git a/tests/test_handler_specific.py b/tests/test_handler_specific.py
index 1c89f34..601c225 100644
--- a/tests/test_handler_specific.py
+++ b/tests/test_handler_specific.py
@@ -4,12 +4,12 @@
 
 def test_tls_handler_init():
     with pytest.raises(ValueError):
-        GelfTlsHandler(host='127.0.0.1', port=12204, validate=True)
+        GelfTlsHandler(host='localhost', port=12204, validate=True)
 
     with pytest.raises(ValueError):
-        GelfTlsHandler(host='127.0.0.1', port=12204, keyfile='/dev/null')
+        GelfTlsHandler(host='localhost', port=12204, keyfile='/dev/null')
 
 
 def test_https_handler_init():
     with pytest.raises(ValueError):
-        GelfHttpsHandler(host='127.0.0.1', port=12205, validate=True)
+        GelfHttpsHandler(host='localhost', port=12205, validate=True)
diff --git a/tests/test_queuehandler_support.py b/tests/test_queuehandler_support.py
index e3a409f..7e3e011 100644
--- a/tests/test_queuehandler_support.py
+++ b/tests/test_queuehandler_support.py
@@ -6,14 +6,14 @@
 
 
 @pytest.fixture(params=[
-    GelfTcpHandler(host='127.0.0.1', port=12201),
-    GelfUdpHandler(host='127.0.0.1', port=12202),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False),
-    GelfHttpHandler(host='127.0.0.1', port=12203),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False),
-    GelfTlsHandler(host='127.0.0.1', port=12204),
-    GelfHttpsHandler(host='127.0.0.1', port=12205, validate=False),
-    GelfTlsHandler(host='127.0.0.1', port=12204, validate=True, ca_certs='tests/config/cert.pem'),
+    GelfTcpHandler(host='localhost', port=12201),
+    GelfUdpHandler(host='localhost', port=12202),
+    GelfUdpHandler(host='localhost', port=12202, compress=False),
+    GelfHttpHandler(host='localhost', port=12203),
+    GelfHttpHandler(host='localhost', port=12203, compress=False),
+    GelfTlsHandler(host='localhost', port=12204),
+    GelfHttpsHandler(host='localhost', port=12205, validate=False),
+    GelfTlsHandler(host='localhost', port=12204, validate=True, ca_certs='tests/config/cert.pem'),
     GelfHttpsHandler(host='localhost', port=12205, validate=True, ca_certs='tests/config/cert.pem'),
 ])
 def handler(request):
diff --git a/tests/test_static_fields.py b/tests/test_static_fields.py
index fb4eb08..17b747f 100644
--- a/tests/test_static_fields.py
+++ b/tests/test_static_fields.py
@@ -11,21 +11,21 @@
 
 
 @pytest.fixture(params=[
-    GelfTcpHandler(host='127.0.0.1', port=12201, **STATIC_FIELDS),
-    GelfUdpHandler(host='127.0.0.1', port=12202, **STATIC_FIELDS),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False, **STATIC_FIELDS),
-    GelfHttpHandler(host='127.0.0.1', port=12203, **STATIC_FIELDS),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False, **STATIC_FIELDS),
-    GelfTlsHandler(host='127.0.0.1', port=12204, **STATIC_FIELDS),
-    GelfTlsHandler(host='127.0.0.1', port=12204, validate=True, ca_certs='tests/config/cert.pem', **STATIC_FIELDS),
-    GelfTcpHandler(host='127.0.0.1', port=12201, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfUdpHandler(host='127.0.0.1', port=12202, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfUdpHandler(host='127.0.0.1', port=12202, compress=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfHttpHandler(host='127.0.0.1', port=12203, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfHttpHandler(host='127.0.0.1', port=12203, compress=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfTlsHandler(host='127.0.0.1', port=12204, static_fields=STATIC_FIELDS),
-    GelfHttpsHandler(host='127.0.0.1', port=12205, validate=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
-    GelfTlsHandler(host='127.0.0.1', port=12204, validate=True, ca_certs='tests/config/cert.pem', static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfTcpHandler(host='localhost', port=12201, **STATIC_FIELDS),
+    GelfUdpHandler(host='localhost', port=12202, **STATIC_FIELDS),
+    GelfUdpHandler(host='localhost', port=12202, compress=False, **STATIC_FIELDS),
+    GelfHttpHandler(host='localhost', port=12203, **STATIC_FIELDS),
+    GelfHttpHandler(host='localhost', port=12203, compress=False, **STATIC_FIELDS),
+    GelfTlsHandler(host='localhost', port=12204, **STATIC_FIELDS),
+    GelfTlsHandler(host='localhost', port=12204, validate=True, ca_certs='tests/config/cert.pem', **STATIC_FIELDS),
+    GelfTcpHandler(host='localhost', port=12201, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfUdpHandler(host='localhost', port=12202, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfUdpHandler(host='localhost', port=12202, compress=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfHttpHandler(host='localhost', port=12203, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfHttpHandler(host='localhost', port=12203, compress=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfTlsHandler(host='localhost', port=12204, static_fields=STATIC_FIELDS),
+    GelfHttpsHandler(host='localhost', port=12205, validate=False, static_fields=STATIC_FIELDS, _ozzy='billie jean'),
+    GelfTlsHandler(host='localhost', port=12204, validate=True, ca_certs='tests/config/cert.pem', static_fields=STATIC_FIELDS, _ozzy='billie jean'),
 ])
 def handler(request):
     return request.param