diff --git a/.travis.yml b/.travis.yml
index 2c14efed1f36..58a2849fd38c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,8 +16,8 @@ rvm:
 - 1.9.3
 - 2.0.0
 - 2.1.10
-- 2.2.5
-- 2.3.1
+- 2.2.6
+- 2.3.3
 - ruby-head
 env:
   - "TEST_TOOL=rubygems YAML=syck"
@@ -35,9 +35,9 @@ matrix:
       env: "TEST_TOOL=rubygems YAML=syck"
     - rvm: 2.1.10
       env: "TEST_TOOL=rubygems YAML=syck"
-    - rvm: 2.2.5
+    - rvm: 2.2.6
       env: "TEST_TOOL=rubygems YAML=syck"
-    - rvm: 2.3.1
+    - rvm: 2.3.3
       env: "TEST_TOOL=rubygems YAML=syck"
     - rvm: ruby-head
       env: "TEST_TOOL=rubygems YAML=syck"