diff -Nru haskell-libmpd-0.9.0.8/debian/changelog haskell-libmpd-0.9.0.9/debian/changelog
--- haskell-libmpd-0.9.0.8/debian/changelog	2018-10-01 10:47:36.000000000 +0000
+++ haskell-libmpd-0.9.0.9/debian/changelog	2019-08-08 12:54:34.000000000 +0000
@@ -1,3 +1,15 @@
+haskell-libmpd (0.9.0.9-1build1) eoan; urgency=medium
+
+  * Rebuild against new GHC abi.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Thu, 08 Aug 2019 14:54:34 +0200
+
+haskell-libmpd (0.9.0.9-1) unstable; urgency=medium
+
+  * New upstream release
+
+ -- Clint Adams <clint@debian.org>  Sun, 28 Jul 2019 10:50:47 -0400
+
 haskell-libmpd (0.9.0.8-6) unstable; urgency=medium
 
   * Remove build dependency on libghc-mtl-dev (provided by ghc-8.4.3)
diff -Nru haskell-libmpd-0.9.0.8/libmpd.cabal haskell-libmpd-0.9.0.9/libmpd.cabal
--- haskell-libmpd-0.9.0.8/libmpd.cabal	2018-03-11 11:48:16.000000000 +0000
+++ haskell-libmpd-0.9.0.9/libmpd.cabal	2018-10-27 20:17:05.000000000 +0000
@@ -1,5 +1,5 @@
 Name:               libmpd
-Version:            0.9.0.8
+Version:            0.9.0.9
 Synopsis:           An MPD client library.
 Description:        A client library for MPD, the Music Player Daemon.
 Category:           Network, Sound
diff -Nru haskell-libmpd-0.9.0.8/src/Network/MPD/Commands/Types.hs haskell-libmpd-0.9.0.9/src/Network/MPD/Commands/Types.hs
--- haskell-libmpd-0.9.0.8/src/Network/MPD/Commands/Types.hs	2018-03-11 11:48:16.000000000 +0000
+++ haskell-libmpd-0.9.0.9/src/Network/MPD/Commands/Types.hs	2018-10-27 20:17:05.000000000 +0000
@@ -41,6 +41,7 @@
 import           Data.Default.Class
 
 import qualified Data.Map as M
+import           Data.Map.Strict (insertWith)
 import           Data.Time.Clock (UTCTime)
 import           Data.String
 
@@ -251,7 +252,7 @@
 
 -- | Add metadata tag value.
 sgAddTag :: Metadata -> Value -> Song -> Song
-sgAddTag meta value s = s { sgTags = M.insertWith' (++) meta [value] (sgTags s) }
+sgAddTag meta value s = s { sgTags = insertWith (++) meta [value] (sgTags s) }
 
 defaultSong :: Path -> Song
 defaultSong path =
diff -Nru haskell-libmpd-0.9.0.8/src/Network/MPD/Core.hs haskell-libmpd-0.9.0.9/src/Network/MPD/Core.hs
--- haskell-libmpd-0.9.0.8/src/Network/MPD/Core.hs	2018-03-11 11:48:16.000000000 +0000
+++ haskell-libmpd-0.9.0.9/src/Network/MPD/Core.hs	2018-10-27 20:17:05.000000000 +0000
@@ -116,7 +116,8 @@
             (Just <$> connectTo host (PortNumber $ fromInteger port))
             `E.catch` (\(_ :: E.SomeException) -> return Nothing)
         checkConn = do
-            [msg] <- send ""
+            singleMsg <- send ""
+            let [msg] = singleMsg
             if "OK MPD" `isPrefixOf` msg
                 then MPD $ checkVersion $ parseVersion msg
                 else return False