diff --git a/CHANGELOG b/CHANGELOG
index 4937b5f8..a4951a41 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,3 +5,5 @@
 
 - vRequestContextSwitchFromISR is declared extern "C" so it can be defined in
 a C file without issues
+
+- PUS Health Service added, which allows to command and retrieve health via PUS packets