diff --git a/fhem/CHANGED b/fhem/CHANGED
index 3395eda9c..a4613a415 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+ - change:  33_readingsGroup: don't use events to update cells
  - feature: 98_WeekdayTimer: add support for weekprofile, add nl Forum: #105521
  - bugfix:  98_WeekdayTimer: fix last timer of a day Forum: #104167
  - feature: 98_weekprofile: add support for WeekdayTimer Forum: #105521