diff --git a/pkgs/by-name/ad/addwater/package.nix b/pkgs/by-name/ad/addwater/package.nix
index 98c4c687fd24..d79cf096aebb 100644
--- a/pkgs/by-name/ad/addwater/package.nix
+++ b/pkgs/by-name/ad/addwater/package.nix
@@ -10,11 +10,12 @@
   python3Packages,
   wrapGAppsHook4,
   appstream,
+  nix-update-script,
 }:
 
 python3Packages.buildPythonApplication rec {
   pname = "addwater";
-  version = "1.1.6";
+  version = "1.2.2";
   # built with meson, not a python format
   pyproject = false;
 
@@ -22,7 +23,7 @@ python3Packages.buildPythonApplication rec {
     owner = "largestgithubuseronearth";
     repo = "addwater";
     tag = "v${version}";
-    hash = "sha256-5iuSRA18TWj6naw5MraGZ1Y9OUWEVg2oKqQtkC8rMWw=";
+    hash = "sha256-BpV4nJbJNMI0Nzzsl1NbsWTNRMFRBSrUF1+Qdd7h6eg=";
   };
 
   buildInputs = [
@@ -45,6 +46,8 @@ python3Packages.buildPythonApplication rec {
     requests
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Installer for the fantastic GNOME for Firefox theme";
     homepage = "https://github.com/largestgithubuseronearth/addwater";