diff --git a/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix b/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
index 590d0ecefcdb..c1ea48e77f52 100644
--- a/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
+++ b/pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix
@@ -26,14 +26,14 @@
 
 buildPythonPackage rec {
   pname = "langgraph-checkpoint-postgres";
-  version = "2.0.23";
+  version = "2.1.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
-    tag = "checkpointpostgres==${version}";
-    hash = "sha256-QAzT8T3bf3R3gwI/iWDYYDz0SxgLZsP61oMk72dYz4s=";
+    tag = "checkpoint==${version}";
+    hash = "sha256-UY3AChShKfOrtOQzOm5vi3Yy3rlBc+TAje9L2L6My/U=";
   };
 
   postgresqlTestSetupPost = ''