diff --git a/.travis.yml b/.travis.yml
index 5935e6bd..31c65bda 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ node_js:
 cache:
   directories:
   - "$HOME/.npm"
+install: case $TRAVIS_BRANCH in greenkeeper*) npm i;; *) npm ci;; esac;
 jobs:
   include:
   - stage: release