diff --git a/CHANGELOG b/CHANGELOG
index 7763ccf7c70233b30999d76b16b8c597d750563f..1c16ff728a55b1f3e3e694895cbc5e97e8638e17 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -32,6 +32,7 @@ v 7.13.0 (unreleased)
   - Better performance for pages with events list, issues list and commits list
   - Faster automerge check and merge itself when source and target branches are in same repository 
   - Correctly show anonymous authorized applications under Profile > Applications.
+  - Query Optimization in MySQL.
 
 v 7.12.1
   - Fix error when deleting a user who has projects (Stan Hu)