diff --git a/.travis.yml b/.travis.yml
index 90f0de8..57fec8a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ addons:
 matrix:
     include:
         - os: linux
-          rust: 1.20.0
+          rust: 1.23.0
         - os: linux
           rust: 1.25.0
         - os: osx