diff --git a/CHANGELOG.md b/CHANGELOG.md
index 206b2fff..842ca54f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,11 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+## Changed
+
+- TCS controller now does a sanity check on the temperature values: Values below -80 C or above
+  160 C are ignored.
+
 # [v1.43.0] 2023-04-04
 
 - q7s-package: v2.4.0