diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9290661707..8b64a43ab9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ Next Release
 
 #### Features
 * [#510](https://github.com/intridea/grape/pull/510): Support lambda-based default values for params - [@myitcv](https://github.com/myitcv).
-* Your contribution here.
+* [#511](https://github.com/intridea/grape/pull/511): Add `required` option for OAuth2 middleware - [@bcm](https://github.com/bcm).
 
 #### Fixes