diff --git a/Changelog b/Changelog
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,7 @@
+Changed in version 0.8.1.1:
+   * Allow bytestring-0.11 and base-4.16
+   * Fix name conflicts with Win32-2.9 (#145)
+
 Changed in version 0.8.1.0:
    * Use grapheme's width to align a list of completions (#143)
    * Add withRunInBase to help decompose InputT (#131)
diff --git a/System/Console/Haskeline/Backend/Win32.hsc b/System/Console/Haskeline/Backend/Win32.hsc
--- a/System/Console/Haskeline/Backend/Win32.hsc
+++ b/System/Console/Haskeline/Backend/Win32.hsc
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 module System.Console.Haskeline.Backend.Win32(
                 win32Term,
                 win32TermStdin,
@@ -8,7 +10,11 @@
 import System.IO
 import Foreign
 import Foreign.C
+#if MIN_VERSION_Win32(2,9,0)
+import System.Win32 hiding (multiByteToWideChar, setConsoleMode, getConsoleMode)
+#else
 import System.Win32 hiding (multiByteToWideChar)
+#endif
 import Graphics.Win32.Misc(getStdHandle, sTD_OUTPUT_HANDLE)
 import Data.List(intercalate)
 import Control.Concurrent.STM
@@ -185,9 +191,9 @@
     sizeOf _ = (#size COORD)
     alignment _ = (#alignment COORD)
     peek p = do
-        x :: CShort <- (#peek COORD, X) p
-        y :: CShort <- (#peek COORD, Y) p
-        return Coord {coordX = fromEnum x, coordY = fromEnum y}
+        cx :: CShort <- (#peek COORD, X) p
+        cy :: CShort <- (#peek COORD, Y) p
+        return Coord {coordX = fromEnum cx, coordY = fromEnum cy}
     poke p c = do
         (#poke COORD, X) p (toEnum (coordX c) :: CShort)
         (#poke COORD, Y) p (toEnum (coordY c) :: CShort)
diff --git a/haskeline.cabal b/haskeline.cabal
--- a/haskeline.cabal
+++ b/haskeline.cabal
@@ -1,6 +1,6 @@
 Name:           haskeline
 Cabal-Version:  >=1.10
-Version:        0.8.1.0
+Version:        0.8.1.1
 Category:       User Interfaces
 License:        BSD3
 License-File:   LICENSE
@@ -49,8 +49,8 @@
     -- We require ghc>=7.4.1 (base>=4.5) to use the base library encodings, even
     -- though it was implemented in earlier releases, due to GHC bug #5436 which
     -- wasn't fixed until 7.4.1
-    Build-depends: base >=4.9 && < 4.16, containers>=0.4 && < 0.7,
-                   directory>=1.1 && < 1.4, bytestring>=0.9 && < 0.11,
+    Build-depends: base >=4.9 && < 4.17, containers>=0.4 && < 0.7,
+                   directory>=1.1 && < 1.4, bytestring>=0.9 && < 0.12,
                    filepath >= 1.2 && < 1.5, transformers >= 0.2 && < 0.6,
                    process >= 1.0 && < 1.7, stm >= 2.4 && < 2.6,
                    exceptions == 0.10.*