diff --git a/ChangeLog b/ChangeLog
index 6d1159954a..2e832c014e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Oct 21 13:17:39 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* mdoc2man.rb: moved into tools/.
+
+	* instruby.rb: followed the change of mdoc2man.
+
 Tue Oct 21 11:34:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/iconv/iconv.c (strip_glibc_option, map_charset): check if
diff --git a/instruby.rb b/instruby.rb
index edeaa221a2..c7ffe8d04d 100755
--- a/instruby.rb
+++ b/instruby.rb
@@ -378,7 +378,7 @@ install?(:local, :comm, :man) do
     if $mantype == "doc"
       install mdoc, destfile, :mode => $data_mode
     else
-      require 'mdoc2man.rb'
+      require 'tool/mdoc2man.rb'
 
       w = Tempfile.open(mdoc)
 
diff --git a/mdoc2man.rb b/tool/mdoc2man.rb
similarity index 100%
rename from mdoc2man.rb
rename to tool/mdoc2man.rb