diff --git a/infra/config/global/generated/luci-scheduler.cfg b/infra/config/global/generated/luci-scheduler.cfg
index 59bffec..58167f9 100644
--- a/infra/config/global/generated/luci-scheduler.cfg
+++ b/infra/config/global/generated/luci-scheduler.cfg
@@ -403,6 +403,7 @@
   triggering_policy {
     kind: GREEDY_BATCHING
     max_concurrent_invocations: 1
+    max_batch_size: 1
   }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
@@ -417,6 +418,7 @@
   triggering_policy {
     kind: GREEDY_BATCHING
     max_concurrent_invocations: 1
+    max_batch_size: 1
   }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
diff --git a/infra/config/global/main.star b/infra/config/global/main.star
index 61677b9..303dffe 100755
--- a/infra/config/global/main.star
+++ b/infra/config/global/main.star
@@ -305,7 +305,8 @@
         dimensions = get_dimensions(internal=True),
         triggering_policy = scheduler.policy(
             kind = scheduler.GREEDY_BATCHING_KIND,
-            max_concurrent_invocations = 1
+            max_concurrent_invocations = 1,
+            max_batch_size = 1
         ),
         priority = 25,
         properties = {