diff --git a/CHANGELOG b/CHANGELOG
index d058237f8463424b6ab43d8ce52aa75be6503de4..e24ef984a78c70e052039888509250267ead9a1b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,3 +4,6 @@
 2021-09-06: rewritten for CMK 2.0
 2021-09-07: added WATO for check and discovery function
             renamed from checkpoint_vsx to checkpoint_vsx_system
+2021-09-21: changed graph definition for packets graph to stack
+2021-09-24: changed graph definition for connections graph to make it scale with 
+            the active connections (suggested by raulcurro[at]gmail[dot]com)