diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4ebd6b3..591759a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -24,6 +24,7 @@ jobs:
           username: henriboulnois
           password: $DOCKERHUB_PASSWORD
     steps:
+      - checkout
       - run: yarn lint
       - run: yarn format:check
   unittest: