diff --git a/Data/Conduit/Zstd.hs b/Data/Conduit/Zstd.hs
--- a/Data/Conduit/Zstd.hs
+++ b/Data/Conduit/Zstd.hs
@@ -15,14 +15,14 @@
 -- | compression conduit
 compress :: MonadIO m =>
         Int -- ^ compression level
-        -> C.Conduit B.ByteString m B.ByteString
+        -> C.ConduitT B.ByteString B.ByteString m ()
 compress level = liftIO (Z.compress level) >>= go
 
 -- | decompression conduit
-decompress :: MonadIO m => C.Conduit B.ByteString m B.ByteString
+decompress :: MonadIO m => C.ConduitT B.ByteString B.ByteString m ()
 decompress = liftIO Z.decompress >>= go
 
-go :: MonadIO m => Z.Result -> C.Conduit B.ByteString m B.ByteString
+go :: MonadIO m => Z.Result -> C.ConduitT B.ByteString B.ByteString m ()
 go (Z.Produce r next) = do
     C.yield r
     liftIO next >>= go
diff --git a/Setup.hs b/Setup.hs
deleted file mode 100644
--- a/Setup.hs
+++ /dev/null
@@ -1,2 +0,0 @@
-import Distribution.Simple
-main = defaultMain
diff --git a/conduit-zstd.cabal b/conduit-zstd.cabal
--- a/conduit-zstd.cabal
+++ b/conduit-zstd.cabal
@@ -1,11 +1,11 @@
--- This file has been generated from package.yaml by hpack version 0.21.2.
+-- This file has been generated from package.yaml by hpack version 0.28.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: f895f93106c2227e098a21dc6fb09dbc63f3e67e7d73e05c07c035f64dd55450
+-- hash: 94312fcbf7a04a82f6bd1d17999b3a961a652668f01575cccbffe4a5ece400b5
 
 name:           conduit-zstd
-version:        0.0.1.0
+version:        0.0.1.1
 synopsis:       Conduit-based ZStd Compression
 description:    Zstandard compression packaged as a conduit. This is a very thin wrapper around the [official hs-zstd interface](https://github.com/facebookexperimental/hs-zstd/)
 category:       Conduit
@@ -17,7 +17,6 @@
 license-file:   COPYING
 build-type:     Simple
 cabal-version:  >= 1.10
-
 extra-source-files:
     ChangeLog
     README.md