diff --git a/.travis.yml b/.travis.yml
index 01bafb9..e394347 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ before_install:
   - gem install bundler
 
 rvm:
-  - 2.3.3
-  - 2.4.0
-  - 2.5.6
-  - 2.6.4
+  - 2.5.8
+  - 2.6.6
+  - 2.7.2