diff --git a/.travis.yml b/.travis.yml
index 73245acd..62240c32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,7 @@
 language: ruby
 
 rvm:
-  - 2.2.2
-  - 2.2.3
+  - 2.2.4
   - 2.3.0
   - ruby-head
   - rbx-2