diff --git a/yesod-core/yesod-core.cabal b/yesod-core/yesod-core.cabal
index 72e02dc3..005cd9da 100644
--- a/yesod-core/yesod-core.cabal
+++ b/yesod-core/yesod-core.cabal
@@ -58,7 +58,7 @@ library
                    , wai-logger            >= 0.2
                    , monad-logger          >= 0.3.1    && < 0.4
                    , conduit               >= 0.5
-                   , resourcet             >= 0.4.6    && < 0.5
+                   , resourcet             >= 0.4.9    && < 0.5
                    , lifted-base           >= 0.1.2
                    , attoparsec-conduit
                    , blaze-html            >= 0.5