diff --git a/.travis.yml b/.travis.yml
index ed1f70c..8598819 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,11 @@
-dist: xenial
-group: edge
-
 language: php
 
+os:
+  - linux
+  - osx
+
+dist: bionic
+
 php:
   - 7.1
   - 7.2
@@ -14,3 +17,4 @@ script:
   - ./configure
   - make
   - make test
+