diff --git a/pkgs/development/libraries/dee/default.nix b/pkgs/development/libraries/dee/default.nix
index 65f9982b42c3..594cac5002f6 100644
--- a/pkgs/development/libraries/dee/default.nix
+++ b/pkgs/development/libraries/dee/default.nix
@@ -55,6 +55,8 @@ stdenv.mkDerivation rec {
     "--with-pygi-overrides-dir=${placeholder "py"}/${python3.sitePackages}/gi/overrides"
   ];
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = "A library that uses DBus to provide objects allowing you to create Model-View-Controller type programs across DBus";
     homepage = "https://launchpad.net/dee";