diff --git a/pkgs/tools/X11/caffeine-ng/default.nix b/pkgs/tools/X11/caffeine-ng/default.nix
index ea8e5b389e48..619bd55b6f45 100644
--- a/pkgs/tools/X11/caffeine-ng/default.nix
+++ b/pkgs/tools/X11/caffeine-ng/default.nix
@@ -40,7 +40,7 @@ in buildPythonApplication rec {
     sha256 = "sha256-umIjXJ0et6Pi5Ejj96Q+ZhiKS+yj7bsgb4uQW6Ym6rU=";
   };
 
-  nativeBuildInputs = [ wrapGAppsHook glib setuptools-scm ];
+  nativeBuildInputs = [ wrapGAppsHook glib gobject-introspection setuptools-scm ];
 
   buildInputs = [
     libappindicator-gtk3