Link to librt on non-apple platforms
diff --git a/.travis.yml b/.travis.yml
index c53fcf1..fab85e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: rust
 sudo: required
+dist: trusty
 rust:
   - 1.0.0
   - beta