CHANGELOG.md in log_toolbox-1.3.8 vs CHANGELOG.md in log_toolbox-1.3.9

- old
+ new

@@ -4,9 +4,12 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Released] - 2019-05-21
 
+## [1.3.9] - 2021-01-15
+### FIXED
+- Fixed service_name custom option.
 
 ## [1.3.8] - 2020-12-10
 ### FIXED
 - Fixed LogStash configs
 