diff --git a/pkgs/development/python-modules/langchain-classic/default.nix b/pkgs/development/python-modules/langchain-classic/default.nix
index b9949fd389ee..fab7fe6d5d14 100644
--- a/pkgs/development/python-modules/langchain-classic/default.nix
+++ b/pkgs/development/python-modules/langchain-classic/default.nix
@@ -106,6 +106,7 @@ buildPythonPackage (finalAttrs: {
     skipBulkUpdate = true;
     updateScript = gitUpdater {
       rev-prefix = "langchain-classic==";
+      ignoredVersions = "a|b|dev|rc";
     };
   };