diff --git a/.travis.yml b/.travis.yml
index 8952d215..ca25043b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,11 @@
 language: php
 
 php:
-  - '5.5.9'
-  - '5.5'
-  - '5.6'
-  - '7.0'
+  - 5.5.9
+  - 5.5
+  - 5.6
+  - 7.0
+  - 7.1
   - hhvm
 
 sudo: false