diff --git a/pkgs/development/python-modules/langgraph-cli/default.nix b/pkgs/development/python-modules/langgraph-cli/default.nix
index 7799a308141d..b79fd25259e0 100644
--- a/pkgs/development/python-modules/langgraph-cli/default.nix
+++ b/pkgs/development/python-modules/langgraph-cli/default.nix
@@ -17,6 +17,7 @@
 
   # testing
   pytest-asyncio,
+  pytest-mock,
   pytestCheckHook,
   docker-compose,
 
@@ -26,14 +27,15 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "langgraph-cli";
-  version = "0.4.26";
+  version = "0.4.30";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "cli==${finalAttrs.version}";
-    hash = "sha256-LBdDi3gT1N+r6yTb0BDF7qkoHAvo3UTSJnJ49vchjKU=";
+    hash = "sha256-wemTtMT8UbpEsGzf0fMnXdhJv0oTrG/TqEu6HhFN6nc=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/libs/cli";
@@ -58,6 +60,7 @@ buildPythonPackage (finalAttrs: {
 
   nativeCheckInputs = [
     pytest-asyncio
+    pytest-mock
     pytestCheckHook
     docker-compose
   ]