diff --git a/Download.hs b/Download.hs
--- a/Download.hs
+++ b/Download.hs
@@ -6,7 +6,7 @@
 import qualified Codec.Archive.Tar as Tar ( read, unpack )
 import System.FilePath
 import System.Directory
-import Codec.Compression.Zlib( decompress )
+import Codec.Compression.GZip( decompress )
 import Control.Monad
 
 baseurl :: String
diff --git a/darcs-benchmark.cabal b/darcs-benchmark.cabal
--- a/darcs-benchmark.cabal
+++ b/darcs-benchmark.cabal
@@ -1,5 +1,5 @@
 name:          darcs-benchmark
-version:       0.1
+version:       0.1.1
 synopsis:      Comparative benchmark suite for darcs.
 
 description: A simple tool to compare performance of different Darcs 2.x