diff --git a/telemetry/glean/metrics.yaml b/telemetry/glean/metrics.yaml
index 68a098b..160a80e 100644
--- a/telemetry/glean/metrics.yaml
+++ b/telemetry/glean/metrics.yaml
@@ -261,6 +261,7 @@ ad:
     labels:
       - sample_feature
       - contextual_placement
+      - request_stats
 
 ad_client:
   context_id: