diff --git a/.travis.yml b/.travis.yml
index 99e0a18..afeb7ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,8 @@ install:
 
 php:
   - 7.0
+  - 7.1
+  - hhvm
   - nightly
 
 script: