diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 1189a2063143..4d65b64a3881 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -92,6 +92,7 @@ buildPythonPackage (finalAttrs: {
     skipBulkUpdate = true;
     updateScript = gitUpdater {
       rev-prefix = "langchain-core==";
+      ignoredVersions = "a|b|dev|rc";
     };
   };