diff --git a/pkgs/development/libraries/atkmm/default.nix b/pkgs/development/libraries/atkmm/default.nix
index a10d730d06e..e1cfb488be8 100644
--- a/pkgs/development/libraries/atkmm/default.nix
+++ b/pkgs/development/libraries/atkmm/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "ff95385759e2af23828d4056356f25376cfabc41e690ac1df055371537e458bd";
   };
 
+  outputs = [ "out" "dev" ];
+
   propagatedBuildInputs = [ atk glibmm ];
 
   nativeBuildInputs = [ pkgconfig ];