--- a/setlocale.cabal
+++ b/setlocale.cabal
@@ -19,7 +19,7 @@ library
   exposed-modules:     System.Locale.SetLocale
   -- other-modules:       
   other-extensions:    DeriveDataTypeable, ForeignFunctionInterface
-  build-depends:       base >=4.6 && <4.9
+  build-depends:       base >=4.6 && <4.10
   -- hs-source-dirs:      
   build-tools:         hsc2hs
   default-language:    Haskell2010
