diff --git a/pkgs/by-name/db/dbus_cplusplus/package.nix b/pkgs/by-name/db/dbus_cplusplus/package.nix
index 49ccea6c2347..fdeccefdebbd 100644
--- a/pkgs/by-name/db/dbus_cplusplus/package.nix
+++ b/pkgs/by-name/db/dbus_cplusplus/package.nix
@@ -74,6 +74,8 @@ stdenv.mkDerivation rec {
     "--disable-examples"
   ];
 
+  enableParallelBuilding = true;
+
   meta = {
     homepage = "https://dbus-cplusplus.sourceforge.net";
     description = "C++ API for D-BUS";