Update npm version on travis

niklasvh · niklasvh · commit 98364086d2bd · 2015-10-19T02:09:30.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,8 @@ node_js:
 - '4.1'
 before_script:
 - npm install
+before_install:
+  npm install -g npm@'>=2.13.5'
 deploy:
   - provider: npm
     email: niklasvh@gmail.com
