diff --git a/pkgs/servers/firebird/default.nix b/pkgs/servers/firebird/default.nix
index 2fa35510bf6a..83c48b3cd2b4 100644
--- a/pkgs/servers/firebird/default.nix
+++ b/pkgs/servers/firebird/default.nix
@@ -46,6 +46,8 @@ let
     ]
     ++ (lib.optional superServer "--enable-superserver");
 
+    enableParallelBuilding = true;
+
     installPhase = ''
       runHook preInstall
       mkdir -p $out