diff --git a/main.star b/main.star
index 54c9562ed..d4cec7fe5 100755
--- a/main.star
+++ b/main.star
@@ -64,6 +64,12 @@ luci.project(
         acl.entry(acl.BUILDBUCKET_READER, groups = ["all"]),
         acl.entry(acl.BUILDBUCKET_OWNER, groups = ["project-libyuv-admins"]),
     ],
+    bindings = [
+        luci.binding(
+            roles = "role/configs.validator",
+            users = "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com",
+        ),
+    ],
 )
 
 # Generates luci-logdog.cfg
diff --git a/realms.cfg b/realms.cfg
index 93969f5a4..7360b512c 100644
--- a/realms.cfg
+++ b/realms.cfg
@@ -18,6 +18,10 @@ realms {
     role: "role/configs.reader"
     principals: "group:all"
   }
+  bindings {
+    role: "role/configs.validator"
+    principals: "user:libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
+  }
   bindings {
     role: "role/logdog.reader"
     principals: "group:all"