diff --git a/tox.ini b/tox.ini
index 5d6bb14d..1631e163 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,8 @@ envlist =
     py{py310,py311}-django42-mongo-alchemy
     py{310,311,312,313}-django51-mongo-alchemy
     pypy310-django51-mongo-alchemy
-    py310-djangomain-mongo-alchemy
+    py312-djangomain-mongo-alchemy
+    py313-djangomain-mongo-alchemy
 
 [gh-actions]
 python =
@@ -34,7 +35,7 @@ deps =
     django42: Django>=4.2,<5.0
     django51: Django>=5.1,<5.2
     django52: Django>=5.2,<6
-    djangomain: Django>5.1,<6.0
+    djangomain: https://github.com/django/django/archive/main.tar.gz
 
 setenv =
     py: DJANGO_SETTINGS_MODULE=tests.djapp.settings