diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 50b832ae2fbd..bfd8fd2ecc3b 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -29,14 +29,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "langchain-aws";
-  version = "1.4.5";
+  version = "1.4.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain-aws";
     tag = "langchain-aws==${finalAttrs.version}";
-    hash = "sha256-ok8rCSzvjKR2Sr6XCdmULWyySkJ4Jdy3+LzKSOzUMlE=";
+    hash = "sha256-WSUwPEBZQRyHYDWs0j+RgeP3Mqer5dIRT7eKoRESpsU=";
   };
 
   postPatch = ''