CHANGELOG.md in logstash-output-tcp-5.0.2 vs CHANGELOG.md in logstash-output-tcp-5.0.3

@@ -1,4 +1,7 @@
+## 5.0.3
+  - Docs: Set the default_codec doc attribute.
+
 ## 5.0.2
   - Update gemspec summary
 
 ## 5.0.1
   - Fix some documentation issues