diff --git a/.travis.yml b/.travis.yml
index 2115fdc9..a69499db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ rust:
   - 1.15.0
   - 1.16.0
   - 1.17.0
+  - 1.18.0
 
 matrix:
   allow_failures: