diff --git a/pkgs/development/python-modules/langgraph-cli/default.nix b/pkgs/development/python-modules/langgraph-cli/default.nix
index cf4af2833d67..d34e924c73bc 100644
--- a/pkgs/development/python-modules/langgraph-cli/default.nix
+++ b/pkgs/development/python-modules/langgraph-cli/default.nix
@@ -8,9 +8,11 @@
 
   # dependencies
   click,
-  langgraph,
+  httpx,
   langgraph-runtime-inmem,
   langgraph-sdk,
+  langgraph,
+  pathspec,
   python-dotenv,
 
   # testing
@@ -24,14 +26,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "langgraph-cli";
-  version = "0.4.19";
+  version = "0.4.21";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "cli==${finalAttrs.version}";
-    hash = "sha256-a92xh9BOA3gxJ3TLRQc49G611+LnCukhT3kgf6ian6c=";
+    hash = "sha256-PwVJzg+LQ6gScd/lewBqN66rzADnucMeIA/4gmP4xPw=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/libs/cli";
@@ -40,7 +42,10 @@ buildPythonPackage (finalAttrs: {
 
   dependencies = [
     click
+    httpx
     langgraph-sdk
+    pathspec
+    python-dotenv
   ];
 
   optional-dependencies = {