diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8bff2573b7e..77e9e1342f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,9 @@ release.
 
 ### Logs
 
+- Update GCP data model to use `TraceFlags` instead of
+  `gcp.trace_sampled`. ([#3629](https://github.com/open-telemetry/opentelemetry-specification/pull/3629))
+
 ### Resource
 
 ### Compatibility
diff --git a/specification/logs/data-model-appendix.md b/specification/logs/data-model-appendix.md
index 9d1e3fb8157..6dbf00e9611 100644
--- a/specification/logs/data-model-appendix.md
+++ b/specification/logs/data-model-appendix.md
@@ -495,6 +495,7 @@ trace            | string             | The trace associated with the log entry,
 span_id          | string             | The span ID within the trace associated with the log entry. | SpanId
 labels           | map<string,string> | A set of user-defined (key, value) data that provides additional information about the log entry. | Attributes
 http_request     | HttpRequest        | The HTTP request associated with the log entry, if any. | Attributes["gcp.http_request"]
+trace_sampled    | boolean            | The sampling decision of the trace associated with the log entry. | TraceFlags.SAMPLED
 All other fields |                    |                                                         | Attributes["gcp.*"]
 
 ### Elastic Common Schema