diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7ab7347..5345a05 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,8 +30,14 @@ jobs:
             database: "sqlite3"
             psycopg: "psycopg2>=2.9.2"
             experimental: false
+          - python: "3.13"
+            django: "Django>=5.1,<5.2"
+            taggit: "django-taggit>=2.1.0"
+            database: "sqlite3"
+            psycopg: "psycopg2>=2.9.2"
+            experimental: false
           - python: "3.10"
-            django: "git+https://github.com/django/django.git@stable/5.0.x#egg=Django"
+            django: "git+https://github.com/django/django.git@stable/5.1.x#egg=Django"
             taggit: "django-taggit>=2.1.0"
             database: "sqlite3"
             psycopg: "psycopg2>=2.9.2"
diff --git a/tox.ini b/tox.ini
index c6975a9..b822dc0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,8 @@
 [tox]
 envlist =
     py{38,39}-dj{32,42}-{sqlite,postgres}-taggit2
-    py{310}-dj{32,42,50,50stable,master}-{sqlite,postgres}-taggit2
-    py{311}-dj{42,50,50stable,master}-{sqlite,postgres}-taggit2
-    py{312}-dj{42,50,50stable,master}-{sqlite,postgres}-taggit2
+    py{310}-dj{32,42,50,51,51stable,master}-{sqlite,postgres}-taggit2
+    py{311,312,313}-dj{42,50,51,51stable,master}-{sqlite,postgres}-taggit2
 
 [testenv]
 allowlist_externals = ./runtests.py
@@ -15,13 +14,15 @@ basepython =
     py310: python3.10
     py311: python3.11
     py312: python3.12
+    py313: python3.12
 
 deps =
     taggit2: django-taggit>=2.0
     dj32: Django>=3.2,<3.3
     dj42: Django>=4.2,<4.3
     dj50: Django>=5.0,<5.1
-    dj50stable: git+https://github.com/django/django.git@stable/5.0.x#egg=Django
+    dj51: Django>=5.1,<5.2
+    dj51stable: git+https://github.com/django/django.git@stable/5.1.x#egg=Django
     djmaster: git+https://github.com/django/django.git@main#egg=Django
     postgres: psycopg2>=2.9