diff --git a/pkgs/development/python-modules/hahomematic/default.nix b/pkgs/development/python-modules/hahomematic/default.nix
index 9a3d67da9973..3d92bc84a0d2 100644
--- a/pkgs/development/python-modules/hahomematic/default.nix
+++ b/pkgs/development/python-modules/hahomematic/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "hahomematic";
-  version = "2023.9.3";
+  version = "2023.9.4";
   format = "pyproject";
 
   disabled = pythonOlder "3.11";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "danielperna84";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-j8uM/vEfZO1C4jsYU68nTt/cmhRKsW2MTFG84g53vE4=";
+    hash = "sha256-sxUSUj9yJyY89Ma0R0hm5PCt/kiwb6Bj7CyK9Vc14uk=";
   };
 
   nativeBuildInputs = [