.travis.yml in stream-chat-ruby-0.1.1 vs .travis.yml in stream-chat-ruby-0.1.2

@@ -1,7 +1,8 @@
 language: ruby
 before_install:
   - gem update bundler
 rvm:
+  - 2.3.8
   - 2.4.6
   - 2.5.5
   - 2.6.3