diff --git a/.travis.yml b/.travis.yml
index e7627047..39121421 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,15 +14,7 @@ notifications:
 
 matrix:
   include:
-    - rvm: 2.1
-    - rvm: 2.2.8
-    - rvm: 2.3.5
-    - rvm: 2.4.2
-    - rvm: rbx-3
-    - rvm: jruby-19mode
-    - rvm: jruby-9.1.17.0
-    - rvm: ruby-head
-    - rvm: jruby-head
+    - rvm: truffleruby-head
   allow_failures:
     - rvm: rbx-3
     - rvm: ruby-head