diff --git a/.travis.yml b/.travis.yml
index 9ad249b..93c7cd0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "node"
-  - "10"
-  - "8"
-  - "6"
-install: npm install
\ No newline at end of file
+  - 'node'
+  - '10'
+  - '8'
+install: npm install