diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e61c8926..3225254a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         requests-version: ['"requests>=2.0,<3.0"']
         urllib3-version: ['"urllib3<2"', '"urllib3>=2,<3.0"']
 
diff --git a/CHANGES b/CHANGES
index 343ddec1..e15d7df4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+0.25.6
+------
+
+* Added support for python 3.13
+
 0.25.5
 ------
 
diff --git a/setup.py b/setup.py
index 4f183425..a37d22b3 100644
--- a/setup.py
+++ b/setup.py
@@ -68,6 +68,7 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Topic :: Software Development",
     ],
 )
diff --git a/tox.ini b/tox.ini
index f0a8d96e..1438493c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,py312,mypy,precom
+envlist = py38,py39,py310,py311,py312,py313,mypy,precom
 
 [pytest]
 filterwarnings =