diff --git a/.travis.yml b/.travis.yml
index 7df362c6..81da1c76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,8 +10,8 @@ rvm:
   - '1.9.3-p551'
   - '2.0.0-p648'
   - '2.1.10'
-  - '2.2.6'
-  - '2.3.3'
+  - '2.2.7'
+  - '2.3.4'
   - '2.4.1'
   - 'jruby-1.7.26'
   - 'jruby-9.0.5.0'