.travis.yml in coveralls_reborn-0.11.0 vs .travis.yml in coveralls_reborn-0.11.1

@@ -3,28 +3,29 @@
 cache: bundler
 
 sudo: false
 
 before_install:
-  - gem update bundler
+  - gem update --system
+  - gem install bundler
 
 env:
   global:
     # --dev improves JRuby startup time
     # --debug reports proper coverage to SimpleCov
     # See https://github.com/jruby/jruby/wiki/Improving-startup-time
     - JRUBY_OPTS="--dev --debug"
 
 rvm:
   - 2.1.10
-  - 2.2.9
-  - 2.3.6
-  - 2.4.3
-  - 2.5.0
+  - 2.2.10
+  - 2.3.7
+  - 2.4.4
+  - 2.5.1
   - ruby-head
-  - jruby-9.1.13.0
+  - jruby-9.1.16.0
 
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: jruby-9.1.13.0
+    - rvm: jruby-9.1.16.0
   fast_finish: true