diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08e00f627..fd7ad8f5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,7 @@ Full list of differences found in [this compare](https://github.com/open-telemet
 
 ### Added
 
-* Remove if no changes for this section before release.
+* Introduce Scope Attributes. [#395](https://github.com/open-telemetry/opentelemetry-proto/pull/395)
 
 ### Removed
 
diff --git a/opentelemetry/proto/common/v1/common.proto b/opentelemetry/proto/common/v1/common.proto
index 70f423370..1dcb19308 100644
--- a/opentelemetry/proto/common/v1/common.proto
+++ b/opentelemetry/proto/common/v1/common.proto
@@ -85,4 +85,6 @@ message InstrumentationScope {
   // An empty instrumentation scope name means the name is unknown.
   string name = 1;
   string version = 2;
+  repeated KeyValue attributes = 3;
+  uint32 dropped_attributes_count = 4;
 }