diff --git a/.travis.yml b/.travis.yml
index 86732d4..f561ac1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
+  - 2.6.1
   - ruby-head
 script: rake test
 matrix: