diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index ad94192d14f..3daf30d2ff0 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "geoip" ];
 
+  enableParallelBuilding = true;
+
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ libevent openssl zlib ] ++
     stdenv.lib.optionals stdenv.isLinux [ libseccomp systemd libcap ];