diff --git a/infra/config/global/luci-scheduler.cfg b/infra/config/global/luci-scheduler.cfg
index 80de746..dd2e88a 100644
--- a/infra/config/global/luci-scheduler.cfg
+++ b/infra/config/global/luci-scheduler.cfg
@@ -152,7 +152,7 @@
   id: "linux"
   acl_sets: "default"
   triggering_policy: {
-    max_concurrent_invocations: 2
+    max_concurrent_invocations: 3
   }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
@@ -165,7 +165,7 @@
   id: "linux-android-4.0.4"
   acl_sets: "default"
   triggering_policy: {
-    max_concurrent_invocations: 2
+    max_concurrent_invocations: 3
   }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
@@ -187,6 +187,9 @@
 job {
   id: "linux-android-4.4.4"
   acl_sets: "default"
+  triggering_policy: {
+    max_concurrent_invocations: 2
+  }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
     bucket: "luci.r8.ci"
@@ -207,6 +210,9 @@
 job {
   id: "linux-android-5.1.1"
   acl_sets: "default"
+  triggering_policy: {
+    max_concurrent_invocations: 2
+  }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
     bucket: "luci.r8.ci"
@@ -227,6 +233,9 @@
 job {
   id: "linux-android-6.0.1"
   acl_sets: "default"
+  triggering_policy: {
+    max_concurrent_invocations: 3
+  }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
     bucket: "luci.r8.ci"
@@ -247,6 +256,9 @@
 job {
   id: "linux-android-7.0.0"
   acl_sets: "default"
+  triggering_policy: {
+    max_concurrent_invocations: 2
+  }
   buildbucket {
     server: "cr-buildbucket.appspot.com"
     bucket: "luci.r8.ci"