diff --git a/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix b/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
index 3187783f9d4a..f6871fcefe6b 100644
--- a/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
+++ b/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
@@ -97,6 +97,7 @@ buildPythonPackage (finalAttrs: {
     skipBulkUpdate = true;
     updateScript = gitUpdater {
       rev-prefix = "checkpointpostgres==";
+      ignoredVersions = "a|b|dev|rc";
     };
   };