diff --git a/CHANGELOG b/CHANGELOG
index bac1676adb77a708765676cf079e700070cf615b..7cb0dc58ed7d5dc56162d9bc4c7fa9810c75370f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,2 +1,5 @@
-2020-11-08  initial release
-2021-02-25  rewrite for cmk 2.0
\ No newline at end of file
+2020-11-08: initial release
+2021-02-25: rewrite for cmk 2.0
+2021-09-11: added WATO, cleanup
+2022-10-23: fixed warning on upgrade "non-empty params vanished" for discovery_chassis and discovery_sgms
+2022-11-17: added woraround for wrong snmp data for grade/maxgrade in R81.x