1 files changed, 2 insertions, 1 deletions
diff --git a/index.html b/index.html
index 79e4de0..59de4c6 100644
--- a/index.html
+++ b/index.html
@@ -8,7 +8,7 @@
 <h1>Oniguruma</h1> (<a href="index_ja.html">Japanese</a>)
 
 <p>
-(c) K.Kosako, updated at: 2017/05/26
+(c) K.Kosako, updated at: 2017/06/30
 </p>
 
 <dl>
@@ -16,6 +16,7 @@
 <dt><b>What's new</b>
 </font>
 <ul>
+<li>2017/07/03: Version 6.4.0 released.</li>
 <li>2017/05/29: Version 6.3.0 released.</li>
 <li>2017/04/08: Version 6.2.0 released.</li>
 <li>2016/12/11: Version 6.1.3 released.</li>