diff --git a/.travis.yml b/.travis.yml
index 8f6a686001..b7fa9cbc22 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,8 @@ matrix:
         wct --simpleOutput -s 'Windows 10/microsoftedge' -s 'Windows 8.1/internet explorer@11' -s 'Windows 7/internet explorer@10' -s 'OS X 10.10/safari@8' -s 'OS X 10.9/safari@7'
       fi
 before_script:
-- npm install bower web-component-tester
+- npm install bower
+- npm install web-component-tester
 - export PATH=$PWD/node_modules/.bin:$PATH
 - bower install
 env: