diff --git a/.travis.yml b/.travis.yml
index ede7d1f3b..f1dcd036a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ sudo: required
 dist: trusty
 matrix:
   include:
-    - rust: 1.40.0
+    - rust: 1.42.0
       env:
        - FEATURES='test docs'
        - RUSTFLAGS='-D warnings'