diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6553fe7f..7f194c65 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,6 +22,7 @@ executors:
   docker:
     machine:
       image: ubuntu-2004:202101-01
+    resource_class: large
     working_directory: ~/marp-cli
     environment:
       DOCKER_BUILDKIT: 1