diff --git a/src/OpenTelemetry.Resources.Container/CHANGELOG.md b/src/OpenTelemetry.Resources.Container/CHANGELOG.md
index 5d2f2ee75f..c7a5c6be52 100644
--- a/src/OpenTelemetry.Resources.Container/CHANGELOG.md
+++ b/src/OpenTelemetry.Resources.Container/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.0.0-beta.9
+
+Released 2024-Jun-18
+
 * Updated OpenTelemetry core component version(s) to `1.9.0`.
   ([#1888](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1888))