updated nodejs version

dmitry-kurmanov · dmitry-kurmanov · commit 60ef09e5b899 · 2018-07-24T15:49:41.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- '6'
+- '8'
 
 before_install:
   - stty cols 80
