diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7114c27..1af6e63 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,9 +16,9 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.x
 
       - name: Get pip cache dir
         id: pip-cache
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b64f9df..314cdb4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,15 +11,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
-      max-parallel: 5
+      max-parallel: 6
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', 'pypy-3.10']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', 'pypy-3.10']
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/tox.ini b/tox.ini
index 007eecc..9dc5e45 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,18 +5,19 @@ minversion = 1.8
 envlist =
     py311-checkqa
     docs
-    py{38,39}-dj{32,41,42}
+    py{39}-dj{32,41,42}
     py{310,py310}-dj{32,41,42,50,main}
-    py{311}-dj{41,42,50,main}
-    py{312}-dj{50,main}
+    py{311}-dj{41,42,50,51,main}
+    py{312}-dj{50,51,main}
+    py{313}-dj{50,51,main}
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311,flake8,readme
     3.12: py312
+    3.13: py313
     pypy-3.10: pypy310
 
 [testenv]
@@ -29,10 +30,13 @@ deps =
     dj32: django~=3.2.9
     dj41: django~=4.1.3
     dj42: django~=4.2.0
-    dj50: django~=5.0.0rc1
+    dj50: django~=5.0.0
+    dj51: django~=5.1.0
     djmain: https://github.com/django/django/archive/main.tar.gz
     py312: setuptools
     py312: wheel
+    py313: setuptools
+    py313: wheel
     coverage
     coverage_enable_subprocess
 extras = testing