diff --git a/pkgs/development/python-modules/protobuf/5.nix b/pkgs/development/python-modules/protobuf/5.nix
index f714303f2099..05f9ba66f81a 100644
--- a/pkgs/development/python-modules/protobuf/5.nix
+++ b/pkgs/development/python-modules/protobuf/5.nix
@@ -10,6 +10,7 @@ buildPythonPackage rec {
   pname = "protobuf";
   version = "5.29.6";
   pyproject = true;
+  # nixpkgs-update: no auto update
 
   src = fetchPypi {
     inherit pname version;