diff --git a/CHANGELOG.md b/CHANGELOG.md
index c36531d0c22..9e8ec0a8334 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,8 @@ release.
   ([#2619](https://github.com/open-telemetry/opentelemetry-specification/pull/2619)).
 - Clarify async instrument callback identity.
   ([#2538](https://github.com/open-telemetry/opentelemetry-specification/pull/2538)).
+- Add `process.threads` host metric semantic convention.
+  ([#2705](https://github.com/open-telemetry/opentelemetry-specification/pull/2705)). 
 
 ### Logs