diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 382b4cf779a22b76f216d86cbbc85ed45e7cec50..72cc9090bcd5e97cf49696055450c6fa382b6774 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,14 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
+Unreleased
+----------
+
+Added
+~~~~~
+
+* Allow to configure port for prometheus metrics endpoint.
+
 `2.0rc3`_ - 2021-07-26
 ----------------------