diff --git a/pkgs/servers/irc/solanum/default.nix b/pkgs/servers/irc/solanum/default.nix
index 0ae030ba59d..1d39526ed1e 100644
--- a/pkgs/servers/irc/solanum/default.nix
+++ b/pkgs/servers/irc/solanum/default.nix
@@ -50,6 +50,8 @@ stdenv.mkDerivation rec {
 
   doCheck = !stdenv.isDarwin;
 
+  enableParallelBuilding = true;
+
   meta = with lib; {
     description = "An IRCd for unified networks";
     homepage = "https://github.com/solanum-ircd/solanum";