diff --git a/pkgs/by-name/gr/gradia/package.nix b/pkgs/by-name/gr/gradia/package.nix
index 9f0a9a1e8298..06e265dd873e 100644
--- a/pkgs/by-name/gr/gradia/package.nix
+++ b/pkgs/by-name/gr/gradia/package.nix
@@ -18,17 +18,18 @@
   webp-pixbuf-loader,
   libsoup_3,
   bash,
+  nix-update-script,
 }:
 python3Packages.buildPythonApplication rec {
   pname = "gradia";
-  version = "1.7.1";
+  version = "1.9.0";
   pyproject = false;
 
   src = fetchFromGitHub {
     owner = "AlexanderVanhee";
     repo = "Gradia";
     tag = "v${version}";
-    hash = "sha256-EyO09tKv0SjqMyYM5J8wdeIH6/vJgF7p7FLaTfJDqXY=";
+    hash = "sha256-iDldzS7LLJ/+CfKBpD50LW/YrZ2xb8aqZI9Bs1AOcCM=";
   };
 
   nativeBuildInputs = [
@@ -56,7 +57,6 @@ python3Packages.buildPythonApplication rec {
   ];
 
   postInstall = ''
-    substituteInPlace $out/share/gradia/gradia/ui/image_exporters.py --replace-fail "/bin/bash" "${lib.getExe bash}"
     export GDK_PIXBUF_MODULE_FILE="${
       gnome._gdkPixbufCacheBuilder_DO_NOT_USE {
         extraLoaders = [
@@ -71,6 +71,8 @@ python3Packages.buildPythonApplication rec {
 
   makeWrapperArgs = [ "\${gappsWrapperArgs[@]}" ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Make your screenshots ready for the world";
     homepage = "https://github.com/AlexanderVanhee/Gradia";