diff --git a/.travis.yml b/.travis.yml
index b10ae52..f73e291 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,6 @@
 language: rust
+rust:
+    - nightly
 after_success: |
   [ $TRAVIS_BRANCH = master ] &&
   [ $TRAVIS_PULL_REQUEST = false ] &&