diff --git a/.travis.yml b/.travis.yml
index 9d93db0..a3f699b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,3 @@
-rvm: 2.2.10
-
 sudo: required
 addons:
   - chrome: stable
@@ -8,6 +6,12 @@ env:
   global:
     DISPLAY: ":99.0"
 
+rvm:
+  - 2.5.1
+  - 2.4.4
+  - 2.3.7
+  - 2.2.10
+
 before_install:
   - google-chrome-stable --version
   - wget http://chromedriver.storage.googleapis.com/2.35/chromedriver_linux64.zip