diff --git a/.travis.yml b/.travis.yml
index f9de178..2c2ba45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,5 @@ node_js:
   - "lts/*"
 cache:
   directories:
-    - "node_modules"
\ No newline at end of file
+    - "node_modules"
+before_install: dpkg --compare-versions `npm -v` ge 6.4.0 || npm i -g npm@^6.4.0