diff --git a/pkgs/development/python-modules/pycrdt/default.nix b/pkgs/development/python-modules/pycrdt/default.nix
index 6ae1c9c5bd6c..070daf1fdad4 100644
--- a/pkgs/development/python-modules/pycrdt/default.nix
+++ b/pkgs/development/python-modules/pycrdt/default.nix
@@ -11,6 +11,7 @@
   pytestCheckHook,
   trio,
   y-py,
+  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -49,6 +50,8 @@ buildPythonPackage rec {
     y-py
   ];
 
+  passthru.updateScript = nix-update-script { extraArgs = [ "--generate-lockfile" ]; };
+
   meta = with lib; {
     description = "CRDTs based on Yrs";
     homepage = "https://github.com/jupyter-server/pycrdt";