diff --git a/amazonka.cabal b/amazonka.cabal
--- a/amazonka.cabal
+++ b/amazonka.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka
-version:               0.3.3
+version:               0.3.3.1
 synopsis:              Comprehensive Amazon Web Services SDK
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
diff --git a/src/Control/Monad/Trans/AWS.hs b/src/Control/Monad/Trans/AWS.hs
--- a/src/Control/Monad/Trans/AWS.hs
+++ b/src/Control/Monad/Trans/AWS.hs
@@ -104,10 +104,11 @@
 import           Control.Lens
 import           Control.Monad.Base
 import           Control.Monad.Catch
-import           Control.Monad.Except
+import           Control.Monad.Error          (MonadError, throwError)
 import           Control.Monad.Morph
 import           Control.Monad.Reader
 import           Control.Monad.Trans.Control
+import           Control.Monad.Trans.Except
 import           Control.Monad.Trans.Resource
 import           Control.Retry                (limitRetries)
 import           Data.ByteString              (ByteString)