diff --git a/GHCMod.hs b/GHCMod.hs
index d0e9867..98f7d80 100644
--- a/GHCMod.hs
+++ b/GHCMod.hs
@@ -16,7 +16,7 @@ import Types
 ----------------------------------------------------------------
 
 usage :: String
-usage =    "ghc-mod version 0.4.1\n"
+usage =    "ghc-mod version 0.4.2\n"
         ++ "Usage:\n"
         ++ "\t ghc-mod list\n"
         ++ "\t ghc-mod lang\n"
diff --git a/ghc-mod.cabal b/ghc-mod.cabal
index ed1f053..1186e4e 100644
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -1,5 +1,5 @@
 Name:                   ghc-mod
-Version:                0.4.1
+Version:                0.4.2
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -29,7 +29,7 @@ Executable ghc-mod
   else
     GHC-Options:        -Wall
   Build-Depends:        base >= 4.0 && < 5, ghc, ghc-paths,
-                        process, directory, filepath, hlint
+                        process, directory, filepath, hlint >= 1.7.1
 Source-Repository head
   Type:                 git
   Location:             git://github.com/kazu-yamamoto/ghc-mod.git