diff --git a/ChangeLog b/ChangeLog
index 8bdc89c3db..b7ac7da88b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Dec 27 10:03:41 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* tool/make-snapshot: show sha1 digest when making packages.
+	  it's request from https://github.com/ruby/www.ruby-lang.org/issues/921
+	  [fix GH-794]
+
 Fri Dec 26 15:32:16 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/tk/tcltklib.c (ip_invoke_core): remove probably duplicate
diff --git a/tool/make-snapshot b/tool/make-snapshot
index 46387cf81a..717ae19225 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -2,6 +2,7 @@
 # -*- coding: us-ascii -*-
 require 'uri'
 require 'digest/md5'
+require 'digest/sha1'
 require 'digest/sha2'
 require 'fileutils'
 require 'tmpdir'
@@ -34,7 +35,7 @@ each versions may be followed by optional @revision.
 USAGE
 end
 
-DIGESTS = %w[MD5 SHA256 SHA512]
+DIGESTS = %w[MD5 SHA1 SHA256 SHA512]
 PACKAGES = {
   "bzip" => %w".tar.bz2 bzip2 -c",
   "gzip" => %w".tar.gz  gzip -c",