diff --git a/CHANGELOG.md b/CHANGELOG.md
index adfba2cd..50c1db91 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## API
 
-- [Add `otel_tracestate' module for creating and updating
+### Changes
+
+- [Add `otel_tracestate` module for creating and updating
   tracestate](https://github.com/open-telemetry/opentelemetry-erlang/pull/607)
+- [Attributes module `otel_attributes` moved to
+  SDK](https://github.com/open-telemetry/opentelemetry-erlang/pull/618)
+
+## SDK
+
+### Changes
+
+- [Attributes module `otel_attributes` moved to
+  SDK](https://github.com/open-telemetry/opentelemetry-erlang/pull/618)
 
 ## Experimental API
 
diff --git a/apps/opentelemetry/src/otel_attributes.erl b/apps/opentelemetry_api/src/otel_attributes.erl
similarity index 100%
rename from apps/opentelemetry/src/otel_attributes.erl
rename to apps/opentelemetry_api/src/otel_attributes.erl