diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c2c21032fd..10cfb0d7251 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -119,6 +119,8 @@ release.
 
 - Add `net.app.protocol.*` attributes
   ([#2602](/~https://github.com/open-telemetry/opentelemetry-specification/pull/2602)).
+- Adopt attribute requirement levels in semantic conventions
+  ([#2594](/~https://github.com/open-telemetry/opentelemetry-specification/pull/2594))
 
 ### Compatibility