diff --git a/Control/Monad/Attempt.hs b/Control/Monad/Attempt.hs
--- a/Control/Monad/Attempt.hs
+++ b/Control/Monad/Attempt.hs
@@ -2,6 +2,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE PackageImports #-}
 ---------------------------------------------------------
 --
 -- Module        : Control.Monad.Attempt
@@ -27,12 +28,14 @@
 import Data.Attempt
 import Control.Applicative
 import Control.Monad
-#if TRANSFORMERS_02
-import Control.Monad.Trans.Class
-import Control.Monad.IO.Class
+
+#if MIN_VERSION_transformers(0,2,0)
+import "transformers" Control.Monad.Trans.Class
+import "transformers" Control.Monad.IO.Class
 #else
-import Control.Monad.Trans
+import "transformers" Control.Monad.Trans
 #endif
+
 import Control.Exception (Exception)
 
 newtype AttemptT m v = AttemptT {
diff --git a/control-monad-attempt.cabal b/control-monad-attempt.cabal
--- a/control-monad-attempt.cabal
+++ b/control-monad-attempt.cabal
@@ -1,5 +1,5 @@
 name:            control-monad-attempt
-version:         0.2.0.1
+version:         0.3.0
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman, Nicolas Pouillard
@@ -12,17 +12,9 @@
 build-type:      Simple
 homepage:        http://github.com/snoyberg/control-monad-attempt
 
-flag transformers_02
-    description: transformers = 0.2.*
-
 library
     build-depends:   base >= 4 && < 5,
-                     syb,
-                     attempt >= 0.2.2 && < 0.3
+                     attempt >= 0.3.0 && < 0.4,
+                     transformers >= 0.1 && < 0.3
     exposed-modules: Control.Monad.Attempt
-    if flag(transformers_02)
-      build-depends: transformers >= 0.2 && < 0.3
-      CPP-OPTIONS: -DTRANSFORMERS_02
-    else
-      build-depends: transformers >= 0.1 && < 0.2
     ghc-options:     -Wall