diff --git a/.travis.yml b/.travis.yml
index a0a1303d6..789389c89 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,10 @@ node_js:
 dist: trusty # needs Ubuntu Trusty
 sudo: false  # no need for virtualization.
 before_install:
-  - npm install -g npm@5
+  - npm install -g npm@latest
   - npm install -g greenkeeper-lockfile@1
 install:
-  - npm install
+  - npm ci
 sudo: required
 addons:
   chrome: stable # install chrome stable.