diff --git a/.travis.yml b/.travis.yml
index 915e1a8..3d27e66 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.1.0
+  - 2.1.10
   - 2.3.3
   - 2.4.0
+before_install: gem update --system --no-doc
 after_success:
   - bundle exec codeclimate-test-reporter