diff --git a/CHANGELOG.md b/CHANGELOG.md
index be92a9db7..718d5bcd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+### Version 2.9.1
+
+* fixed search on Android <= 5
+* optimize memory consumption
+
 ### Version 2.9.0
 
 * Search individual conversations