diff --git a/.travis.yml b/.travis.yml
index b2c5e83a..4b3c3bd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ env:
   - RUSTFLAGS='-D warnings'
 
 rust:
+  - 1.35.0
   - stable
   - nightly