diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0791bea9..d4be984c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ 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).
 
 ## [Unreleased]
-- No changes yet.
+- Dynamically resolve `google.protobuf.Any` values for gRPC error details.
 
 
 ## [1.5.0] - 2019-04-03