.travis.yml in twilio-ruby-5.4.5 vs .travis.yml in twilio-ruby-5.5.0

@@ -8,9 +8,10 @@
   - 2.4.0
   - 2.3.0
   - 2.2.0
   - 2.1
   - 2.0.0
+  - jruby-9.1.9.0
 
 matrix:
   fast_finish: true
 
 before_install: