diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20f2f11a35d6c8d1f10b2240bc772ad1397c84b5..f7df3b7236360ac97cbd7d1fd2ede6e8f3add914 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ IMPROVEMENTS
 
 BUG FIXES
 * Consumer API: multiple consumers from same group receive stream finished error 
+* Consumer API: return ServiceUnavailable instead of Unauthorized in case an authorization service is unreachable 
 
 ## 21.03.3