diff --git a/tests/requirements/dj32_cms40.txt b/tests/requirements/dj32_cms40.txt
index d19b191e..6dd211b1 100644
--- a/tests/requirements/dj32_cms40.txt
+++ b/tests/requirements/dj32_cms40.txt
@@ -2,5 +2,5 @@
 
 Django>=3.2,<4.0
 
-django-admin-sortable2
+django-admin-sortable2<2
 django_polymorphic