diff --git a/.travis.yml b/.travis.yml
index 645175d..364fdf0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,4 @@ node_js:
   - "4"
   - "6"
   - "node"
-before_install: npm i -g npm@4
+before_install: if [[ `npm -v` < 3* ]]; then npm i -g npm@3; fi