diff --git a/.travis.yml b/.travis.yml
index 0aa5bd31..5c4c8a08 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: php
 
 before_script:
     - composer install --prefer-dist --no-dev
-    - yarn --pure-lockfile
+    - npm install
 
 script:
     - ./publish.sh