diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index a7a5cb2300..a2afdf4d94 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -21,7 +21,10 @@ verifiers {
     buckets {
       name: "luci.infra.try"
       builders { name: "Depot Tools Presubmit" }
-      builders { name: "Recipe Roll Downstream Tester" }
+      builders {
+        name: "Recipe Roll Downstream Tester"
+        experiment_percentage: 100
+      }
     }
   }
 }