diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5372f45..f96bc3d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,7 @@
 version: 2
 jobs:
   build:
+    parallelism: 1
     docker:
       - image: circleci/node:14.15-browsers
     working_directory: ~/repo