diff --git a/.travis.yml b/.travis.yml
index 522b9e68..b6e89cda 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,9 @@
 language: go
 
+os:
+  - linux
+  - osx
+
 go:
   - 1.3
   - 1.4