diff --git a/tox.ini b/tox.ini
index edf6210..5173fe0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ envlist =
 
 [testenv]
 deps =
-  django22: Django>=2.2.17
+  django22: Django>=2.2.17,<3
   django31: Django==3.1.*
   django32: Django==3.2.*
   python-cas