diff --git a/.travis.yml b/.travis.yml
index b22b6c5..3b60fdc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,14 @@
 language: ruby
 cache: bundler
 
+os:
+  - linux
+  - osx
+
 rvm:
   - 2.4.1
   - 2.3.1
   - 2.2.0
-  - 2.0.0
 
 before_install:
   - gem update --system