diff --git a/lzma-conduit.cabal b/lzma-conduit.cabal
--- a/lzma-conduit.cabal
+++ b/lzma-conduit.cabal
@@ -1,9 +1,10 @@
+cabal-version:       1.12
 name:                lzma-conduit
-version:             1.2.0
+version:             1.2.1
 synopsis:            Conduit interface for lzma/xz compression.
 description:
-  High level bindings to xz-utils.
-  .
+  This package provides an Conduit interface for the LZMA compression algorithm used in the .xz file format.
+
 license:             BSD3
 license-file:        LICENSE
 author:              Nathan Howell <nhowell@alphaheavy.com>
@@ -13,13 +14,12 @@
 category:            Codec, Compression, Conduit
 
 build-type:          Simple
-cabal-version:       >= 1.10
+tested-with:         GHC==8.2.2, GHC==8.0.2, GHC==7.10.3, GHC==7.8.4, GHC==7.6.3, GHC==7.4.2
 
 extra-source-files:
   tests/Main.hs
 
 library
-  ghc-prof-options: -fprof-auto
   default-language:
     Haskell2010
   hs-source-dirs:
@@ -27,11 +27,11 @@
   exposed-modules:
     Data.Conduit.Lzma
   build-depends:
-    base              >= 3      && < 5,
+    base              >= 4.5    && < 5,
     bytestring        >= 0.9.1  && < 0.11,
-    conduit           >= 1.0    && < 1.3,
+    conduit           >= 1.1.0  && < 1.4,
     lzma              >= 0.0.0.3 && < 0.1,
-    resourcet         >= 0.4    && < 1.2,
+    resourcet         >= 1.1.0  && < 1.3,
     transformers      >= 0.2    && < 0.6
   ghc-options:
     -Wall
@@ -63,4 +63,3 @@
 source-repository head
   type:     git
   location: https://github.com/alphaHeavy/lzma-conduit.git
-
diff --git a/src/Data/Conduit/Lzma.hs b/src/Data/Conduit/Lzma.hs
--- a/src/Data/Conduit/Lzma.hs
+++ b/src/Data/Conduit/Lzma.hs
@@ -32,7 +32,7 @@
 decompress
   :: (MonadThrow m, MonadIO m)
   => Maybe Word64 -- ^ Memory limit, in bytes.
-  -> Conduit ByteString m ByteString
+  -> ConduitM ByteString ByteString m ()
 decompress memlimit =
     decompressWith Lzma.defaultDecompressParams
                    { Lzma.decompressMemLimit     = fromMaybe maxBound memlimit
@@ -43,11 +43,11 @@
 decompressWith
   :: (MonadThrow m, MonadIO m)
   => Lzma.DecompressParams
-  -> Conduit ByteString m ByteString
+  -> ConduitM ByteString ByteString m ()
 decompressWith parms = do
     c <- peek
     case c of
-      Nothing -> monadThrow $ userError $ "Data.Conduit.Lzma.decompress: invalid empty input"
+      Nothing -> throwM $ userError $ "Data.Conduit.Lzma.decompress: invalid empty input"
       Just _  -> liftIO (Lzma.decompressIO parms) >>= go
   where
     go s@(Lzma.DecompressInputRequired more) = do
@@ -65,14 +65,14 @@
           then App.pure ()
           else leftover rest
     go (Lzma.DecompressStreamError err) =
-        monadThrow $ userError $ "Data.Conduit.Lzma.decompress: error: "++prettyRet err
+        throwM $ userError $ "Data.Conduit.Lzma.decompress: error: "++prettyRet err
 
 
 -- | Compress a 'ByteString' into a xz container stream.
 compress
   :: (MonadIO m)
   => Maybe Int -- ^ Compression level from [0..9], defaults to 6.
-  -> Conduit ByteString m ByteString
+  -> ConduitM ByteString ByteString m ()
 compress level =
    -- mval <- await
    -- undefined $ fromMaybe B.empty mval
@@ -85,7 +85,7 @@
 compressWith
   :: MonadIO m
   => Lzma.CompressParams
-  -> Conduit ByteString m ByteString
+  -> ConduitM ByteString ByteString m ()
 compressWith parms = do
     s <- liftIO (Lzma.compressIO parms)
     go s