diff --git a/pkgs/tools/networking/mailutils/default.nix b/pkgs/tools/networking/mailutils/default.nix
index 215f7e5291a4..445b1c213ddf 100644
--- a/pkgs/tools/networking/mailutils/default.nix
+++ b/pkgs/tools/networking/mailutils/default.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  enableParallelBuilding = false;
+  enableParallelBuilding = true;
   hardeningDisable = [ "format" ];
 
   configureFlags = [