diff --git a/ChangeLog.md b/ChangeLog.md
index 903988e11..daecf127c 100755
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,8 @@ XP Compiler ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 4.0.0 / 2015-11-08
+
 ### PHP 5.6
 
 * Implemented power operator `**` in PHP syntax - @thekid