diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9b789f2..28fc36d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       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"]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/README.rst b/README.rst
index c2c7f4d..2b5a1ef 100644
--- a/README.rst
+++ b/README.rst
@@ -87,9 +87,10 @@ therefore safe to use in production.
 Changelog
 ---------
 
-Unreleased
+Unreleased (2025-01-21)
 
 * Dropped Python 3.7 support, now requires Python 3.8+.
+* Enabled CI testing with Python 3.13 and Django 5.1.
 
 2.0.1 (2023-12-08)
 
diff --git a/setup.py b/setup.py
index 1f28186..c155c06 100755
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,7 @@ def long_description():
         "Framework :: Django :: 4.1",
         "Framework :: Django :: 4.2",
         "Framework :: Django :: 5.0",
+        "Framework :: Django :: 5.1",
         "Intended Audience :: Developers",
         (
             "License :: OSI Approved :: "
@@ -38,6 +39,7 @@ def long_description():
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Topic :: Software Development :: Debuggers",
         "Topic :: Utilities",
     ],
diff --git a/tox.ini b/tox.ini
index 1e9de59..ee315c9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,15 +3,17 @@
 envlist =
     py{38,39,310,311}-dj{22,30,32}
     py{38,39,310,311,312}-dj{40,41,42}
-    py{310,311,312}-dj50
+    py{310,311,312}-dj{50,51}
+    py313-dj51
 
 [gh-actions]
 python =
     3.8: py38-dj{22,30,32,40,41,42}
     3.9: py39-dj{22,30,32,40,41,42}
-    3.10: py310-dj{22,30,32,40,41,42,50}
-    3.11: py311-dj{22,30,32,40,41,42,50}
-    3.12: py312-dj{22,30,32,40,41,42,50}
+    3.10: py310-dj{22,30,32,40,41,42,50,51}
+    3.11: py311-dj{22,30,32,40,41,42,50,51}
+    3.12: py312-dj{22,30,32,40,41,42,50,51}
+    3.13: py312-dj{40,41,42,50,51}
 
 [pytest]
 python_files = tests.py
@@ -28,4 +30,5 @@ deps =
     dj41: Django~=4.1.0
     dj42: Django~=4.2.0
     dj50: Django~=5.0.0
+    dj51: Django~=5.1.0
 commands = pytest