diff --git a/pkgs/development/python-modules/django-maintenance-mode/default.nix b/pkgs/development/python-modules/django-maintenance-mode/default.nix
index 9c59db00a7f2..d22ae9025f8b 100644
--- a/pkgs/development/python-modules/django-maintenance-mode/default.nix
+++ b/pkgs/development/python-modules/django-maintenance-mode/default.nix
@@ -4,6 +4,7 @@
 , pytest
 , django
 , python-fsutil
+, pythonOlder
 }:
 
 buildPythonPackage rec {