diff --git a/pkgs/development/python-modules/jupyter-server/default.nix b/pkgs/development/python-modules/jupyter-server/default.nix
index 3eb2c2dff129..3a4065703ff7 100644
--- a/pkgs/development/python-modules/jupyter-server/default.nix
+++ b/pkgs/development/python-modules/jupyter-server/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  pythonOlder,
   stdenv,
   buildPythonPackage,
   fetchPypi,