diff --git a/.travis.yml b/.travis.yml
index 9321d8a1..8bbd91f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,9 @@ dist:
 language: rust
 
 rust:
-  - 1.19.0
   - 1.20.0
+  - 1.21.0
+  - 1.22.0
   - stable
   - beta
   - nightly