diff --git a/.ruby-version b/.ruby-version
index 7d2ed7c7..cd57a8b9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.1.4
+2.1.5
diff --git a/.travis.yml b/.travis.yml
index b656223a..8fbd14a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,9 @@ rvm:
   - 2.1.0
   - 2.1.1
   - 2.1.2
+  - 2.1.3
+  - 2.1.4
+  - 2.1.5
 script: bundle exec rspec
 notifications:
   email: