Update .travis.yml

gogainda · web-flow · commit 2c1ced3ac4d6 · 2020-08-28T14:38:46.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -17,6 +17,7 @@ rvm:
   - 2.7
   - ruby-head
   - jruby
+  - truffleruby-head
 matrix:
   allow_failures:
     - rvm: 1.8.7
