diff --git a/wai-app-file-cgi.cabal b/wai-app-file-cgi.cabal
--- a/wai-app-file-cgi.cabal
+++ b/wai-app-file-cgi.cabal
@@ -1,5 +1,5 @@
 Name:                   wai-app-file-cgi
-Version:                0.1.0
+Version:                0.1.1
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -30,7 +30,7 @@
                         Network.Wai.Application.Classic.Range
                         Network.Wai.Application.Classic.Utils
   Build-Depends:        base >= 4 && < 5, process, haskell98,
-                        network >=2.2 && <2.3, transformers, time,
+                        network, transformers, time,
                         filepath, directory, unix,
                         containers, attoparsec,
                         wai, enumerator >= 0.4.9,