diff --git a/CHANGELOG.md b/CHANGELOG.md
index 482aff9..e3dbd2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+## Added
+
+- New TCS controller events
+
 # [v5.1.0] 2023-06-28
 
 ## Added