diff --git a/hpath.cabal b/hpath.cabal
index 44607df..ebf4dc6 100644
--- a/hpath.cabal
+++ b/hpath.cabal
@@ -20,7 +20,7 @@ extra-source-files:  README.md
 library
   hs-source-dirs:    src/
   default-language:  Haskell2010
-  ghc-options:       -Wall
+  ghc-options:       -Wall -Wno-redundant-constraints
   c-sources:         cbits/dirutils.c
   exposed-modules:   HPath,
                      HPath.IO,