diff --git a/.travis.yml b/.travis.yml
index 04bd7cb9..d8269231 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,12 @@
 language: ruby
+rvm:
+  - 1.9.3
+  - 2.0.0
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
+  - 2.5
 before_install:
   - gem update
   - gem install bundler