diff --git a/.travis.yml b/.travis.yml
index beb65fc..d4de87d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ cache:
   directories:
     - node_modules
 before_script:
+  - yarn
   - yarn install-peers 
 script:
   - yarn lint && yarn test