diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c6ed9419acee7e5924fa1212f8821524d5cf9ba9..0a2071696858f84960a6c7c318e2d2c816bc6b93 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -13,6 +13,7 @@ Added
 ~~~~~
 
 * OpenID connect scope and accompanying claim `groups`
+* Support config files in JSON format
 
 Fixed
 ~~~~~