diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 271fe977..f0a4b250 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,6 +19,7 @@ lint:
 flow:
   stage: test
   script:
+    - yarn install
     - yarn run flow
 
 unit: