diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5142de5d1e8..ebf7157416a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
 ## 1.55.0 (Unreleased)
+
+ENHANCEMENTS
+
+* resource/aws_elasticsearch_domain: Support in-place updates of `elasticsearch_version` [GH-6243]
+
 ## 1.54.0 (December 21, 2018)
 
 NOTES