diff --git a/postgrest.cabal b/postgrest.cabal
index 21e51016e..406f6184b 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -129,6 +129,7 @@ Test-Suite spec
   Type:                exitcode-stdio-1.0
   Default-Language:    Haskell2010
   default-extensions:  OverloadedStrings, ScopedTypeVariables, QuasiQuotes
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
   Hs-Source-Dirs:      test, src
   Main-Is:             Main.hs
   Other-Modules:       Feature.AuthSpec