diff --git a/CHANGELOG.md b/CHANGELOG.md
index 374a7608c..90ad44f54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## UNRELEASED
 
+IMPROVEMENTS:
+
+* agent: health checks: change long timeout behavior to use to user-configured `timeout` value [[GH-6094](https://github.com/hashicorp/consul/pull/6094)]
+
 ## 1.6.0-beta2 (July 15, 2019)
 
 IMPROVEMENTS: