diff --git a/ChangeLog.md b/ChangeLog.md
index 2b26ec89b..3915055a5 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,4 @@
-### 0.5.0 / 2012-05-28
+### 0.5.0 / 2012-06-16
 
 * Added {Float#pack}.
 * Added {Regexp::WORD}.