diff --git a/services/horizon/CHANGELOG.md b/services/horizon/CHANGELOG.md
index 67facc10b3..411060a398 100644
--- a/services/horizon/CHANGELOG.md
+++ b/services/horizon/CHANGELOG.md
@@ -6,6 +6,10 @@ file.  This project adheres to [Semantic Versioning](http://semver.org/).
 As this project is pre 1.0, breaking changes may happen for minor version
 bumps.  A breaking change will get clearly notified in this log.
 
+## v0.17.3 - 2019-03-01
+
+* Fix a bug in `txsub` package that caused returning invalid status when resubmitting old transactions (#969).
+
 ## v0.17.2 - 2019-02-28
 
 * Critical fix bug