Set specific node.js version on travis build

tanx · tanx · commit 556e17c7fa1c · 2018-09-11T11:12:55.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - '8'
+  - '8.11.4'
 
 matrix:
   include:
