diff --git a/.drone.yml b/.drone.yml
index 9dfa5eb..27431b4 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -44,6 +44,7 @@ steps:
   - name: run tests
     image: node
     commands:
+    - yarn
     - yarn run prepare
     - yarn run test
   - name: build dev proxy container