diff --git a/CHANGELOG.md b/CHANGELOG.md
index 303be04bb..9d38f42d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG - sitespeed.io
 
-## UNREALEASED
+## 4.0.0-alpha4 - 2016-06-20
 -------------------------
 ### Added
 * Use PerfCascade to show waterfall on page summary and individual runs from collected HAR (#997)