diff --git a/pkgs/by-name/co/cosmic-design-demo/package.nix b/pkgs/by-name/co/cosmic-design-demo/package.nix
index 0cd7c569b7f1..5a4f4fc1c81e 100644
--- a/pkgs/by-name/co/cosmic-design-demo/package.nix
+++ b/pkgs/by-name/co/cosmic-design-demo/package.nix
@@ -52,7 +52,10 @@ rustPlatform.buildRustPackage {
     homepage = "https://github.com/pop-os/cosmic-design-demo";
     description = "Design Demo for the COSMIC Desktop Environment";
     license = lib.licenses.mpl20;
-    maintainers = with lib.maintainers; [ nyabinary ];
+    maintainers = with lib.maintainers; [
+      nyabinary
+      HeitorAugustoLN
+    ];
     platforms = lib.platforms.linux;
     mainProgram = "cosmic-design-demo";
   };