diff --git a/apps/workflows/fly.toml b/apps/workflows/fly.toml
index 9e022146d..95f3e9716 100644
--- a/apps/workflows/fly.toml
+++ b/apps/workflows/fly.toml
@@ -17,8 +17,8 @@ kill_signal = "SIGTERM"
 
 [[vm]]
   cpu_kind = "shared"
-  cpus = 6
-  memory_mb = 1536
+  cpus = 4
+  memory_mb = 1024
 
 [http_service]
   internal_port = 3000
@@ -28,6 +28,13 @@ kill_signal = "SIGTERM"
   min_machines_running = 2
   processes = ["app"]
 
+# Past soft_limit the proxy prefers the other machine, so cdg takes overflow
+# from ams. hard_limit is set high because Fly has no way to disable it.
+[http_service.concurrency]
+  type = "requests"
+  soft_limit = 5
+  hard_limit = 1000
+
 [deploy]
   strategy = "rolling"