diff --git a/Data/Conduit/Vector.hs b/Data/Conduit/Vector.hs
--- a/Data/Conduit/Vector.hs
+++ b/Data/Conduit/Vector.hs
@@ -15,6 +15,7 @@
 import Control.Monad.ST
 import Data.Conduit
 import qualified Data.Conduit.List as L
+import Data.Conduit.Util
 import qualified Data.Vector.Generic as V
 import qualified Data.Vector.Generic.Mutable as M
 import qualified Data.Vector.Fusion.Stream as S
diff --git a/vector-conduit.cabal b/vector-conduit.cabal
--- a/vector-conduit.cabal
+++ b/vector-conduit.cabal
@@ -1,5 +1,5 @@
 name:                vector-conduit
-version:             0.4.0.0
+version:             0.5.0.0
 synopsis:            Conduit utilities for vectors
 description:         Provides sources and sinks for vectors.
 license:             MIT
@@ -15,9 +15,9 @@
     Data.Conduit.Vector
   build-depends:
     base >= 4.0 && < 5.0,
-    conduit >= 0.4 && < 0.5,
-    primitive >= 0.4 && < 0.5,
-    vector >= 0.9 && < 0.10
+    conduit >= 0.5,
+    primitive >= 0.4,
+    vector >= 0.9 
 
 test-suite vector-conduit-tests
   type: exitcode-stdio-1.0