diff --git a/CHANGELOG.md b/CHANGELOG.md
index 832b18a..3eb79c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+- Moved TCS components to `tmtc` module
+- Renamed `HEATER_ID` to `HEATER_CONTROLLER_ID`
+
 # [v2.7.0] 2023-01-31
 
 - tmtccmd v4.0.0a3