diff --git a/modules/services/cloudflare-dyndns.nix b/modules/services/cloudflare-dyndns.nix
index ecc9b5c..a426c67 100644
--- a/modules/services/cloudflare-dyndns.nix
+++ b/modules/services/cloudflare-dyndns.nix
@@ -7,13 +7,16 @@
 let
   # https://github.com/NixOS/nixpkgs/pull/394352
   cloudflare-dyndns-5-3 = pkgs.cloudflare-dyndns.overrideAttrs rec {
-    version = "5.3";
+    version = lib.warnIfNot (pkgs.cloudflare-dyndns.version == "5.0") "The cloudflare-dyndns package is updated, you should remove this override" "5.3";
     src = pkgs.fetchFromGitHub {
       owner = "kissgyorgy";
       repo = "cloudflare-dyndns";
       rev = "v${version}";
       hash = "sha256-t0MqH9lDfl+cAnPYSG7P32OGO8Qpo1ep0Hj3Xl76lhU=";
     };
+    build-system = with pkgs.python3Packages; [
+      hatchling
+    ];
     dependencies = with pkgs.python3Packages; [
       click
       httpx