diff --git a/docs/topics/release-notes.md b/docs/topics/release-notes.md
index 52abfc08e..dfc4bfbb9 100644
--- a/docs/topics/release-notes.md
+++ b/docs/topics/release-notes.md
@@ -43,6 +43,7 @@ You can determine your currently installed version using `pip freeze`:
 ### Master
 
 * Support customizable view name and description functions, using the `VIEW_NAME_FUNCTION` and `VIEW_DESCRIPTION_FUNCTION` settings.
+* Bugfix: `required=True` argument fixed for boolean serializer fields.
 
 ### 2.3.7