diff --git a/.travis.yml b/.travis.yml
index 23be0e7..94f29af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,10 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.4.2
+  - 2.4.10
+  - 2.5.8
+  - 2.6.6
+  - 2.7.1
 deploy:
   skip_cleanup: true
   provider: rubygems