diff --git a/Network/Gravatar.hs b/Network/Gravatar.hs
--- a/Network/Gravatar.hs
+++ b/Network/Gravatar.hs
@@ -20,6 +20,7 @@
     , DefaultImg(..)
     , ForceDefault(..)
     , Rating(..)
+    , Default(..)
     , defaultConfig
     ) where
 
@@ -85,6 +86,7 @@
 instance Default GravatarOptions where
     def = defaultConfig
 
+-- | Available for backwards compatability, using @def@ is advised
 defaultConfig :: GravatarOptions
 defaultConfig = GravatarOptions
     { gSize         = Nothing
diff --git a/gravatar.cabal b/gravatar.cabal
--- a/gravatar.cabal
+++ b/gravatar.cabal
@@ -1,5 +1,5 @@
 name:                gravatar
-version:             0.5.1
+version:             0.5.2
 description:         Look up gravatar image urls by email address
 synopsis:            Look up gravatar image urls by email address
 homepage:            http://github.com/pbrisbin/gravatar
@@ -16,7 +16,7 @@
 
   build-depends: base       >= 4     && < 5
                , text       >= 0.11  && < 0.12
-               , bytestring >= 0.9.1 && < 0.10
+               , bytestring >= 0.9.1 && < 0.11
                , pureMD5    < 3
                , HTTP
                , data-default