diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,9 @@
+## 1.4.0
+
+* Upgrade to classy-prelude 1.4.0
+* Upgrade to conduit 1.3.0
+* Upgrade to yesod 1.6.0
+
 ## 1.1.0
 
 * Remove the reexport of `Handler`
diff --git a/classy-prelude-yesod.cabal b/classy-prelude-yesod.cabal
--- a/classy-prelude-yesod.cabal
+++ b/classy-prelude-yesod.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 6f1efda896b2306ecb7b57810a4ec15079d56a67ea9967a8ffa4dfb14c9bfa71
+-- hash: 63ff003fc0a1def0ed25755cb083f7a8f4603a2d41e508306880a8c9b54be974
 
 name:           classy-prelude-yesod
-version:        1.3.1
+version:        1.4.0
 synopsis:       Provide a classy prelude including common Yesod functionality.
 description:    See docs and README at <http://www.stackage.org/package/classy-prelude-yesod>
 category:       Control, Yesod
@@ -31,9 +31,9 @@
       src
   build-depends:
       aeson
-    , base >=4 && <5
-    , classy-prelude >=1.3.1 && <1.3.2
-    , classy-prelude-conduit >=1.3.1 && <1.3.2
+    , base >=4.9 && <5
+    , classy-prelude >=1.4.0 && <1.4.1
+    , classy-prelude-conduit >=1.4.0 && <1.4.1
     , data-default
     , http-conduit
     , http-types
diff --git a/src/ClassyPrelude/Yesod.hs b/src/ClassyPrelude/Yesod.hs
--- a/src/ClassyPrelude/Yesod.hs
+++ b/src/ClassyPrelude/Yesod.hs
@@ -7,7 +7,6 @@
 
 import ClassyPrelude.Conduit as X hiding (delete, deleteBy, Handler (..))
 import Yesod as X hiding (Header, parseTime)
-import qualified Yesod
 import Yesod.Static as X
 import Yesod.Feed as X
 import Network.HTTP.Client.Conduit as X