diff --git a/.travis.yml b/.travis.yml
index f065da6..bc84f0b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,14 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.3
+  - ruby-head
+  - 2.4.0
+  - 2.3
   - 2.2
   - 2.1
   - 2.0
   - jruby
+matrix:
+  allow_failures:
+    - rvm: ruby-head
+  fast_finish: true