diff --git a/mighttpd2.cabal b/mighttpd2.cabal
--- a/mighttpd2.cabal
+++ b/mighttpd2.cabal
@@ -1,5 +1,5 @@
 Name:                   mighttpd2
-Version:                2.8.6
+Version:                2.8.7
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -53,7 +53,7 @@
                       , time
                       , transformers
                       , unix
-                      , unix-time
+                      , unix-time >= 0.2
                       , unordered-containers
                       , wai >= 1.3
                       , wai-app-file-cgi