diff --git a/.travis.yml b/.travis.yml
index ef06b6c..3eb62af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,3 +27,9 @@ jobs:
     - language: python
       python: '3.8'
       script: nosetests tests/test.py
+    - language: ruby
+      ruby: '2.5'
+    - language: ruby
+      ruby: '2.6'
+    - language: ruby
+      ruby: '2.7'