diff --git a/.travis.yml b/.travis.yml
index 3ceebcdd7..9351e9bd7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,10 +10,10 @@ services:
   - mysql
   - postgresql
 rvm:
-  - 2.3
   - 2.4
   - 2.5
-before_install: gem install bundler
+  - 2.6
+before_install: gem install bundler --version '~> 1'
 before_script:
   - cp config/database.yml.travis config/database.yml
   - 'echo "test: *${DB}" >> config/database.yml'
diff --git a/README.markdown b/README.markdown
index 739ccbb67..9fac12e3a 100644
--- a/README.markdown
+++ b/README.markdown
@@ -12,7 +12,7 @@ nodes, and view inventory data and backed-up file contents.
 Dependencies
 ------------
 
-* Ruby 2.3, 2.4, 2.5
+* Ruby 2.4, 2.5, 2.6
 * MySQL/MariaDB >= 5.5 or PostgreSQL >= 9.2
 
 Puppet Report Format Support