diff --git a/.travis.yml b/.travis.yml
index 76848d1..d7c534f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,11 @@
-language: c
-script: bash -c 'time bin/bats --tap test'
+language: bash
+os:
+- linux
+- osx
+
+script:
+- bash -c 'time bin/bats --tap test'
+
 notifications:
   email:
     on_success: never