diff --git a/.travis.yml b/.travis.yml
index c83b3df..9ba7819 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ language: ruby
 sudo: false
 
 rvm:
-  - 2.3.1
-  - 2.2.5
+  - 2.3.3
+  - 2.2.6
   - 2.1.10
   - 2.0
 
@@ -50,18 +50,18 @@ matrix:
       env: RAILS=5-0-stable DB=postgres
 
   include:
-    - rvm: 2.3.1
+    - rvm: 2.3.3
       env: RAILS=master DB=sqlite3
-    - rvm: 2.3.1
+    - rvm: 2.3.3
       env: RAILS=master DB=mysql
-    - rvm: 2.3.1
+    - rvm: 2.3.3
       env: RAILS=master DB=postgres
 
-    - rvm: 2.2.5
+    - rvm: 2.2.6
       env: RAILS=master DB=sqlite3
-    - rvm: 2.2.5
+    - rvm: 2.2.6
       env: RAILS=master DB=mysql
-    - rvm: 2.2.5
+    - rvm: 2.2.6
       env: RAILS=master DB=postgres
 
   allow_failures: