1 files changed, 4 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index d36f12a..7630f46 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,3 +2,7 @@ language: rust
 rust:
   - stable
 cache: cargo
+os:
+  - linux
+  - osx
+  - windows