diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 741f00713eac0f1008af9aba724cb41e6239f207..d4484c84d01bb1781c8049632215e9411461bf83 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
+~~~~~
+
+* Support config files in JSON format
+
 `2.0rc5`_ - 2021-08-25
 ----------------------