diff --git a/yesod-auth.cabal b/yesod-auth.cabal
--- a/yesod-auth.cabal
+++ b/yesod-auth.cabal
@@ -1,5 +1,5 @@
 name:            yesod-auth
-version:         0.1.4
+version:         0.1.4.1
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -18,7 +18,7 @@
                    , yesod                   >= 0.5.2     && < 0.6
                    , wai                     >= 0.2       && < 0.3
                    , template-haskell
-                   , pureMD5                 >= 1.1       && < 1.2
+                   , pureMD5                 >= 1.1       && < 2.2
                    , random                  >= 1.0       && < 1.1
                    , data-object             >= 0.3.1.3   && < 0.4
                    , control-monad-attempt   >= 0.3.0     && < 0.4