diff --git a/pkgs/development/python-modules/localstack-ext/default.nix b/pkgs/development/python-modules/localstack-ext/default.nix
index 5508507d2067..93bb57147582 100644
--- a/pkgs/development/python-modules/localstack-ext/default.nix
+++ b/pkgs/development/python-modules/localstack-ext/default.nix
@@ -17,12 +17,13 @@
 
 buildPythonPackage rec {
   pname = "localstack-ext";
-  version = "2.3.2";
+  version = "3.5.0";
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-Ex5ZPlteDaiyex90QumucVdTTbpp9uWiBrvw1kMr++8=";
+    pname = "localstack_ext";
+    inherit version;
+    hash = "sha256-tJNgNqCzlebbDOOgkScOKaf04bLTVIjP+BaFiDLo/Gs=";
   };
 
   postPatch = ''