diff --git a/.travis.yml b/.travis.yml
index 62bb38d..d53f0a1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -47,6 +47,8 @@ before_script:
   - greenkeeper-lockfile-update
 after_script:
   - greenkeeper-lockfile-upload
+install:
+  - npm ci
 script: travis_retry npm run $COMMAND
 env:
   global: