diff --git a/robots-txt.cabal b/robots-txt.cabal
--- a/robots-txt.cabal
+++ b/robots-txt.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                robots-txt
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Parser for robots.txt
 description:         This is an attoparsec parser for robots.txt files
 homepage:            http://github.com/meanpath/robots-txt
@@ -24,7 +24,7 @@
   exposed-modules:     Network.HTTP.Robots
   -- other-modules:
   hs-source-dirs:         src
-  build-depends:        base ==4.6.*
+  build-depends:        base >= 4 && <= 5
                       , bytestring
                       , attoparsec