diff --git a/.travis.yml b/.travis.yml
index 82c57b1f..e8a1ae34 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,10 @@
 language: "rust"
 cache: "cargo"
+rust:
+  - 1.34.2
+  - stable
+  - beta
+
 before_script:
   - "rustup component add rustfmt"
   - "rustup component add clippy"