diff --git a/.travis.yml b/.travis.yml
index b472ac18ae..0cadaf0906 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: ruby
 
 rvm:
-  - 2.1
-  - 2.2.3
+  - 2.1.10
+  - 2.2.4
   - 2.3.0
   - ruby-head
   - rbx