diff --git a/.travis.yml b/.travis.yml
index 3bbd3f7..765893d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ dist: trusty
 
 php:
   - 7.0
+  - 7.1
 
 env:
   - V8VER=5.2