fix: install latest npm on travis for node 6

npm · Jan 28, 2020 · e0eb3cb · e0eb3cb
1 parent e8b4a7e
commit e0eb3cb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,9 @@ node_js:
   - "8"
   - "6"
 
+before_install:
+  - npm install -g npm@latest
+
 cache:
   directories:
   - $HOME/.npm