diff --git a/.travis.yml b/.travis.yml
index 96bd24ab2..2188b1a64 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 cache: cargo
 dist: trusty
 language: rust
-rust: nightly
+rust: nightly-2017-03-04
 services: docker
 sudo: required