diff --git a/.travis.yml b/.travis.yml
index 77861150..1902d2d0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,8 @@ rust:
   # Prevent accidentally breaking older Rust versions
   - 1.17.0
   - 1.18.0
+  - 1.19.0
+  - 1.20.0
 
 env:
   global: