CHANGELOG.md in logstash-output-s3-4.0.12 vs CHANGELOG.md in logstash-output-s3-4.0.13

@@ -1,4 +1,7 @@
+## 4.0.13
+  - Update gemspec summary
+
 ## 4.0.12
  - Fix bug where output would fail if the s3 bucket had encryption enabled (#146, #155)
 
 ## 4.0.11
  - Fixed a randomly occurring error that logged as a missing `__jcreate_meta` method