diff --git a/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix b/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
index 40082663db52..97efcb9aeaf9 100644
--- a/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
+++ b/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "langgraph-runtime-inmem";
-  version = "0.28.0";
+  version = "0.28.1";
   pyproject = true;
 
   # Not available in any repository
   src = fetchPypi {
     pname = "langgraph_runtime_inmem";
     inherit (finalAttrs) version;
-    hash = "sha256-4CU2UItcFU8YokJAZjr3wjifQ8tPu6yZWicXtM/kDS8=";
+    hash = "sha256-lFfLJVVN9psEruTfnaEXLNH6e8nLWQqegH8vnkXsjr0=";
   };
 
   build-system = [ hatchling ];