diff --git a/pkgs/development/python-modules/tmdbsimple/default.nix b/pkgs/development/python-modules/tmdbsimple/default.nix
index d629e66ac1ce..97fd4e3a9982 100644
--- a/pkgs/development/python-modules/tmdbsimple/default.nix
+++ b/pkgs/development/python-modules/tmdbsimple/default.nix
@@ -4,6 +4,7 @@
   fetchFromGitHub,
   setuptools,
   requests,
+  unstableGitUpdater,
 }:
 
 buildPythonPackage {
@@ -27,6 +28,8 @@ buildPythonPackage {
   # The tests require an internet connection and an API key
   doCheck = false;
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "Wrapper for The Movie Database API v3";
     homepage = "https://github.com/celiao/tmdbsimple";