diff --git a/hackage-db.cabal b/hackage-db.cabal
--- a/hackage-db.cabal
+++ b/hackage-db.cabal
@@ -1,5 +1,5 @@
 Name:                   hackage-db
-Version:                1.11
+Version:                1.22
 Copyright:              Peter Simons
 License:                BSD3
 License-File:           LICENSE
@@ -10,7 +10,7 @@
 Synopsis:               access Hackage's package database via Data.Map
 Cabal-Version:          >= 1.6
 Build-Type:             Simple
-Tested-With:            GHC >= 6.10.4 && <= 7.8.3
+Tested-With:            GHC >= 6.10.4 && <= 7.8.4
 Description:
    This module provides simple access to the Hackage database by means
    of @Data.Map@. Suppose you wanted to implement a utility that queries
diff --git a/src/Distribution/Hackage/DB/Parsed.hs b/src/Distribution/Hackage/DB/Parsed.hs
--- a/src/Distribution/Hackage/DB/Parsed.hs
+++ b/src/Distribution/Hackage/DB/Parsed.hs
@@ -16,7 +16,6 @@
   )
   where
 
-import qualified Data.ByteString.Lazy as BSC ( unpack )
 import Data.ByteString.Lazy.Char8 ( ByteString )
 import Data.Map
 import Data.String.UTF8 ( toString, fromRep )
@@ -73,4 +72,4 @@
                      ParseFailed err -> Left (show err)
   where
     decodeUTF8 :: ByteString -> String
-    decodeUTF8 = toString . fromRep . BSC.unpack
+    decodeUTF8 = toString . fromRep
diff --git a/src/Distribution/Hackage/DB/Path.hs b/src/Distribution/Hackage/DB/Path.hs
--- a/src/Distribution/Hackage/DB/Path.hs
+++ b/src/Distribution/Hackage/DB/Path.hs
@@ -11,7 +11,7 @@
 
 module Distribution.Hackage.DB.Path ( hackagePath ) where
 
-import System.Directory ( getHomeDirectory )
+import System.Directory ( getAppUserDataDirectory )
 import System.FilePath ( joinPath )
 
 -- | Determine the default path of the Hackage database, which typically
@@ -20,5 +20,5 @@
 
 hackagePath :: IO FilePath
 hackagePath = do
-  homedir <- getHomeDirectory
-  return $ joinPath [homedir, ".cabal", "packages", "hackage.haskell.org", "00-index.tar"]
+  cabalDir <- getAppUserDataDirectory "cabal"
+  return $ joinPath [cabalDir, "packages", "hackage.haskell.org", "00-index.tar"]