diff --git a/src/OpenTelemetry.Resources.OperatingSystem/CHANGELOG.md b/src/OpenTelemetry.Resources.OperatingSystem/CHANGELOG.md
index d75cd2bff5..24e7e0ba47 100644
--- a/src/OpenTelemetry.Resources.OperatingSystem/CHANGELOG.md
+++ b/src/OpenTelemetry.Resources.OperatingSystem/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 0.1.0-alpha.2
+
+Released 2024-Jul-22
+
 * Fix detection of macOS which was wrongly identified as Linux.
   ([#1965](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1965))