diff --git a/tests/requirements/dj22_cms37.txt b/tests/requirements/dj22_cms37.txt
index 6b96a1021..ec412fb96 100644
--- a/tests/requirements/dj22_cms37.txt
+++ b/tests/requirements/dj22_cms37.txt
@@ -1,4 +1,4 @@
 -r base.txt
-
+django-mptt
 Django>=2.2,<3.0
 django-cms>=3.7,<3.8