diff --git a/.circleci/config.yml b/.circleci/config.yml
index acc9a0ffb8..c6a0a0a6f6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -18,7 +18,7 @@ jobs:
       - COMMIT_AUTHOR_EMAIL: "yann@ethereum.org"
       - COMMIT_AUTHOR: "Circle CI"
     working_directory: ~/remix-project
-
+    parallelism: 4
     steps:
       - checkout
       - run: npm install