diff --git a/.travis.yml b/.travis.yml
index 77c99b0..edee10b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ node_js:
   - '3'
   - '4'
   - '5'
+  - '6'
+  - '7'
   - node
 after_success:
   - node_modules/.bin/babel tests/tests.js --out-file tests/tests-es5.js