diff --git a/.travis.yml b/.travis.yml
index 831bf51..f8151e8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: rust
 rust:
+  - 1.6.0
   - stable
-  - beta
   - nightly
 os:
   - linux