diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3612a1f4f0..1e141cad92 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -694,7 +694,9 @@ jobs:
           command: ./scripts/ci/run_angular_material_unit_tests.sh
 
   test_zonejs:
-    executor: default-executor
+    executor:
+      name: default-executor
+      resource_class: xlarge
     steps:
       - custom_attach_workspace
       - init_environment