CHANGELOG.md in swagger-serializer-0.9.0 vs CHANGELOG.md in swagger-serializer-0.9.1

@@ -1,6 +1,10 @@
 # CHANGELOG
 
+## 0.9.1
+
+- Replace `request.content_type` with `request.media_type` for compatibility with the default behavior of Rails 7.0 (@r7kamura)
+
 ## 0.9.0
 
 - mod(brake): adjust to OAS3 spec
 
 ## 0.8.3