diff --git a/modules/services/cloudflare-dyndns.nix b/modules/services/cloudflare-dyndns.nix
index e360a3b..ecc9b5c 100644
--- a/modules/services/cloudflare-dyndns.nix
+++ b/modules/services/cloudflare-dyndns.nix
@@ -1,8 +1,28 @@
 {
   lib,
   config,
+  pkgs,
   ...
-}: {
+}:
+let
+  # https://github.com/NixOS/nixpkgs/pull/394352
+  cloudflare-dyndns-5-3 = pkgs.cloudflare-dyndns.overrideAttrs rec {
+    version = "5.3";
+    src = pkgs.fetchFromGitHub {
+      owner = "kissgyorgy";
+      repo = "cloudflare-dyndns";
+      rev = "v${version}";
+      hash = "sha256-t0MqH9lDfl+cAnPYSG7P32OGO8Qpo1ep0Hj3Xl76lhU=";
+    };
+    dependencies = with pkgs.python3Packages; [
+      click
+      httpx
+      pydantic
+      truststore
+    ];
+  };
+in
+{
   options = {
     myModules.enableCloudflareDyndns = lib.mkOption {
       type = lib.types.bool;
@@ -14,6 +34,7 @@
   config = lib.mkMerge [
     (lib.mkIf config.myModules.enableCloudflareDyndns {
       services.cloudflare-dyndns = {
+        package = cloudflare-dyndns-5-3;
         enable = true;
         apiTokenFile = "/persist/cloudflare-dyndns";
         proxied = true;