diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 5b29a60e1384..f58818ba37b2 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -4,7 +4,7 @@
   fetchFromGitHub,
 
   # build-system
-  pdm-backend,
+  hatchling,
 
   # dependencies
   boto3,
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-aws";
-  version = "1.0.0";
+  version = "1.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain-aws";
     tag = "langchain-aws==${version}";
-    hash = "sha256-Y4r9a7EiyOACcU41+1Lo89jguu1QmijWsNeoNqKF3cY=";
+    hash = "sha256-vszpWFKuDZb7DvUhnCROgKJdbyA+slyIhCcIOEuPPhA=";
   };
 
   postPatch = ''
@@ -41,7 +41,7 @@ buildPythonPackage rec {
 
   sourceRoot = "${src.name}/libs/aws";
 
-  build-system = [ pdm-backend ];
+  build-system = [ hatchling ];
 
   dependencies = [
     boto3