.travis.yml in sentry-raven-2.7.1 vs .travis.yml in sentry-raven-2.7.2

@@ -2,17 +2,21 @@
 dist: trusty
 sudo: false
 group: beta
 cache: bundler
 
+services:
+  - redis-server
+
 branches:
   only: [master]
 
 rvm:
-  - 2.2.8
-  - 2.3.5
-  - 2.4.2
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 
 env:
   - RAILS_VERSION=4
   - RAILS_VERSION=5
   - RAILS_VERSION=0
@@ -22,20 +26,21 @@
     packages:
       - haveged
 
 before_install:
   - service haveged start
-  - gem install bundler
+  # Pin bundler version due to https://github.com/rubygems/rubygems/issues/2055
+  - gem install bundler -v 1.16.0
 
 matrix:
   include:
     - rvm: 1.9
       env: RAILS_VERSION=4
     - rvm: jruby-1.7.27
       env: JRUBY_OPTS="--dev" RAILS_VERSION=4
-    - rvm: jruby-9.1.13.0
+    - rvm: jruby-9.1.15.0
       env: JRUBY_OPTS="--dev -J-Djruby.launch.inproc=true -J-Xmx1024M" RAILS_VERSION=4
-    - rvm: jruby-9.1.13.0
+    - rvm: jruby-9.1.15.0
       env: JRUBY_OPTS="--dev -J-Djruby.launch.inproc=true -J-Xmx1024M" RAILS_VERSION=5
     - rvm: ruby-head
       env: RAILS_VERSION=0
   allow_failures:
     - rvm: ruby-head