diff --git a/rdioh.cabal b/rdioh.cabal
--- a/rdioh.cabal
+++ b/rdioh.cabal
@@ -1,5 +1,5 @@
 name: rdioh
-version: 0.1.3
+version: 0.2.0
 category: Network, API, Web
 license: MIT
 license-file: LICENSE
@@ -29,6 +29,6 @@
   location: git@github.com:egonSchiele/rdioh.git
 
 executable rdioh-spec
-  build-depends:       base ==4.5.*, hspec, rdioh, mtl , MissingH , bytestring , json , hoauth , urlencoded, aeson, containers, transformers
+  build-depends:       base >= 4.5.0 && < 5, hspec, rdioh, mtl , MissingH , bytestring , json , hoauth , urlencoded, aeson, containers, transformers
   hs-source-dirs:      spec, src
   main-is:             Main.hs
