diff --git a/docs/topics/release-notes.md b/docs/topics/release-notes.md
index dd54a613d..f5d0fa077 100644
--- a/docs/topics/release-notes.md
+++ b/docs/topics/release-notes.md
@@ -18,6 +18,7 @@ Major version numbers (x.0.0) are reserved for project milestones.  No major poi
 
 ### Master
 
+* Bugfix: Model fields with `blank=True` are now `required=False` by default.
 * Bugfix: Nested serializers now support nullable relationships.
 
 ### 2.1.13