diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8133966888c..9d6f08aab75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Remove the metric Processor's ability to convert cumulative to delta aggregation temporality. (#2350)
 - Remove the metric Bound Instruments interface and implementations. (#2399)
 
+### Added
+
+- Add container id support to Resource. (#2418)
+
 ## [1.2.0] - 2021-11-12
 
 ### Changed