diff --git a/.travis.yml b/.travis.yml
index 6027f38..ce1fb69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ addons:
 matrix:
     include:
         - os: linux
-          rust: 1.26.2
+          rust: 1.31.1
         - os: linux
           rust: stable
         - os: osx