diff --git a/.travis.yml b/.travis.yml
index 12d6f9e5..01fb5940 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,10 +2,10 @@ language: php
 dist: trusty
 
 php:
-  - '5.5'
-  - '5.6'
-  - '7.0'
-  - '7.1'
+  - 5.5
+  - 5.6
+  - 7.0
+  - 7.1
   - hhvm
   - nightly
 
@@ -16,5 +16,7 @@ script:
   - vendor/bin/phpunit tests
 
 matrix:
+  fast_finish: true
   allow_failures:
+    - php: hhvm
     - php: nightly