diff --git a/.travis.yml b/.travis.yml
index 60d704d..5f6909c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,12 @@ php:
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
   - hhvm
+
+matrix:
+  allow_failures:
+    - php: hhvm
+
 before_script:
   - composer install