diff --git a/gen/Network/Google/DataTransfer/Types/Sum.hs b/gen/Network/Google/DataTransfer/Types/Sum.hs
--- a/gen/Network/Google/DataTransfer/Types/Sum.hs
+++ b/gen/Network/Google/DataTransfer/Types/Sum.hs
@@ -16,4 +16,4 @@
 --
 module Network.Google.DataTransfer.Types.Sum where
 
-import           Network.Google.Prelude
+import           Network.Google.Prelude hiding (Bytes)
diff --git a/gogol-admin-datatransfer.cabal b/gogol-admin-datatransfer.cabal
--- a/gogol-admin-datatransfer.cabal
+++ b/gogol-admin-datatransfer.cabal
@@ -1,5 +1,5 @@
 name:                  gogol-admin-datatransfer
-version:               0.3.0
+version:               0.4.0
 synopsis:              Google Admin Data Transfer SDK.
 homepage:              https://github.com/brendanhay/gogol
 bug-reports:           https://github.com/brendanhay/gogol/issues
@@ -46,5 +46,5 @@
         , Network.Google.DataTransfer.Types.Sum
 
     build-depends:
-          gogol-core == 0.3.0.*
+          gogol-core == 0.4.0.*
         , base       >= 4.7 && < 5