diff --git a/hspec-expectations.cabal b/hspec-expectations.cabal
index 4bab9bf..fa96794 100644
--- a/hspec-expectations.cabal
+++ b/hspec-expectations.cabal
@@ -25,6 +25,8 @@ library
   hs-source-dirs:
       src
   ghc-options: -Wall
+  if impl(ghc >= 8.0)
+    ghc-options: -fno-warn-redundant-constraints
   build-depends:
       base == 4.*
     , HUnit