diff --git a/.travis.yml b/.travis.yml
index f8b2734..19ef02b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 language: rust
 os: osx
-rust: nightly
+rust:
+  - nightly
+  - beta
+  - stable
 
 notifications:
   webhooks: http://build.servo.org:54856/travis