diff --git a/tox.ini b/tox.ini
index 44dafb44..b101b796 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.2
-envlist = pep8,docs,py{39,310,311}-django42,py{310,311,312}-django50
+envlist = pep8,docs,py{39,310,311}-django42,py{310,311,312}-django{50,51}
 
 [testenv]
 skip_install = true
@@ -8,10 +8,13 @@ deps =
     -r{toxinidir}/requirements-test.txt
     django42: django~=4.2.0
     django42: djangorestframework~=3.15.0
-    django42: django-filter~=24.2.0
+    django42: django-filter~=24.3.0
     django50: django~=5.0.0
     django50: djangorestframework~=3.15.0
-    django50: django-filter~=24.2.0
+    django50: django-filter~=24.3.0
+    django51: django~=5.1.0
+    django51: djangorestframework~=3.15.0
+    django51: django-filter~=24.3.0
 setenv =
     DJANGO_SETTINGS_MODULE = patchwork.settings.dev
     PYTHONDONTWRITEBYTECODE = 1