diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28689fc..1121bb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,10 @@ list yields a list of all related PRs for each release.
 
 - Add boot mode command for EIVE system.
 
+## Changed
+
+- PCDU switcher set now includes the 3V3 stack switcher state.
+
 # [v2.20.1] 2023-04-01
 
 ## Fixed