Upper bound for base

Author: blitzcode

hackage-diff.cabal

@@ -82,7 +82,7 @@ executable hackage-diff
   main-is:             Main.hs
   -- other-modules:
   -- other-extensions:
-  build-depends:       base             >=4.8,
+  build-depends:       base             >=4.8 && <5.0,
                        Cabal            >=1.20.0.0,
                        haskell-src-exts >=1.15.0,
                        ansi-terminal    >=0.6.1.1,