diff --git a/CHANGES.md b/CHANGES.md
index 5974ee69a..0dc7be27c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -15,6 +15,8 @@
 
 ### Fixed
 
+* Fix Logger request time format, and use rfc3339. #867
+
 * Clear http requests pool on app service drop #860