diff --git a/.travis.yml b/.travis.yml
index 9f22622..c1694d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,9 @@
 language: php
 
 php:
-  - 5.5
   - 5.6
   - 7.0
+  - 7.1
 
 before_script:
  - echo 'date.timezone = "UTC"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini