diff --git a/.travis.yml b/.travis.yml
index eb16008..2872d72 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,32 +6,34 @@ services:
 
 matrix:
   include:
-    - rvm: 2.3.3
+    - rvm: 2.3.7
       env: "CHECK=rubocop"
 
-    - rvm: 2.1.1
+    - rvm: 2.2.10
       env: "CHECK=test"
 
-    - rvm: 2.2.1
+    - rvm: 2.3.7
       env: "CHECK=test"
 
-    - rvm: 2.3.3
+    - rvm: 2.4.4
       env: "CHECK=test"
 
-    - rvm: jruby-9.1.13.0
+    - rvm: 2.5.1
+      env: "CHECK=test"
+
+    - rvm: jruby-9.1.17.0
       env: "CHECK=test"
 
   # Remove the allow_failures section once
   # Rubocop is required for Travis to pass a build
   allow_failures:
-    - rvm: 2.3.3
+    - rvm: 2.3.7
       env: "CHECK=rubocop"
-  
-# Pin to specific rubygem and bundler for jruby tests
+
 install:
-  - gem update --system 2.6.14
-  - gem install bundler --version 1.15.4
-  - bundle _1.15.4_ --version
-  - bundle _1.15.4_ install --jobs=3 --retry=3 --path=${BUNDLE_PATH:-vendor/bundle}
-script: 
-  - "bundle _1.15.4_ exec rake $CHECK"
+  - gem update --system
+  - gem install bundler
+  - bundle --version
+  - bundle install --jobs=3 --retry=3 --path=${BUNDLE_PATH:-vendor/bundle}
+script:
+  - "bundle exec rake $CHECK"