diff --git a/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix b/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
index df70b4cf0c20..d8ef124f05d8 100644
--- a/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
+++ b/pkgs/development/python-modules/langgraph-runtime-inmem/default.nix
@@ -11,21 +11,19 @@
   structlog,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "langgraph-runtime-inmem";
-  version = "0.22.0";
+  version = "0.22.1";
   pyproject = true;
 
   # Not available in any repository
   src = fetchPypi {
     pname = "langgraph_runtime_inmem";
-    inherit version;
-    hash = "sha256-jFDM3+JlSoUkw3KdJPg3BTYMA7fWocNiWE4FRquusys=";
+    inherit (finalAttrs) version;
+    hash = "sha256-u9mDl13Dcq1c1SiCY9NHFzKw3/K6s8b0Hl/ls6OOoe4=";
   };
 
-  build-system = [
-    hatchling
-  ];
+  build-system = [ hatchling ];
 
   dependencies = [
     blockbuster
@@ -36,15 +34,7 @@ buildPythonPackage rec {
     structlog
   ];
 
-  # Can remove after blockbuster version bump
-  # https://github.com/NixOS/nixpkgs/pull/431547
-  pythonRelaxDeps = [
-    "blockbuster"
-  ];
-
-  pythonImportsCheck = [
-    "langgraph_runtime_inmem"
-  ];
+  pythonImportsCheck = [ "langgraph_runtime_inmem" ];
 
   # no tests
   doCheck = false;
@@ -56,4 +46,4 @@ buildPythonPackage rec {
     license = lib.licenses.elastic20;
     maintainers = with lib.maintainers; [ sarahec ];
   };
-}
+})