diff --git a/app/schema.graphql b/app/schema.graphql
index 7af3536618..aa78ea6259 100644
--- a/app/schema.graphql
+++ b/app/schema.graphql
@@ -555,6 +555,7 @@ type Project implements Node {
   documentEvaluationNames(spanId: ID): [String!]!
   spanEvaluationSummary(evaluationName: String!, timeRange: TimeRange, filterCondition: String): EvaluationSummary
   documentEvaluationSummary(evaluationName: String!, timeRange: TimeRange, filterCondition: String): DocumentEvaluationSummary
+  streamingLastUpdatedAt: DateTime
 }
 
 type ProjectConnection {
diff --git a/src/phoenix/server/api/types/Project.py b/src/phoenix/server/api/types/Project.py
index 9be7fe75c6..450c2dfc6e 100644
--- a/src/phoenix/server/api/types/Project.py
+++ b/src/phoenix/server/api/types/Project.py
@@ -213,3 +213,9 @@ def document_evaluation_summary(
             evaluation_name=evaluation_name,
             metrics_collection=metrics_collection,
         )
+
+    @strawberry.field
+    def streaming_last_updated_at(
+        self,
+    ) -> Optional[datetime]:
+        return self.project.last_updated_at