diff --git a/dagster.yaml b/dagster.yaml
index 22ca12d..9a23111 100644
--- a/dagster.yaml
+++ b/dagster.yaml
@@ -3,6 +3,8 @@ telemetry:
 
 concurrency:
   default_op_concurrency_limit: 2
+  runs:
+    max_concurrent_runs: 4
 
 run_coordinator:
   module: dagster.core.run_coordinator