diff --git a/CHANGELOG.md b/CHANGELOG.md
index c642b897..4ea3ac85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,12 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+# [v4.0.1] to be released
+
+## Changed
+
+- Internal error reporter set is now enabled by defalt and generated every 120 seconds.
+
 # [v4.0.0] to be released
 
 - `eive-tmtc` version v4.0.0