diff --git a/.travis.yml b/.travis.yml
index fee4919..b129453 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.2.10
   - 2.3.3
+  - 2.4.10
+  - 2.5.8
+  - 2.6.6
+  - 2.7.2
 before_install: gem install bundler -v 1.16.1
diff --git a/next_rails.gemspec b/next_rails.gemspec
index 2920613..043686b 100644
--- a/next_rails.gemspec
+++ b/next_rails.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "colorize", ">= 0.8.1"
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler", ">= 1.16", "< 3.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "simplecov", "~> 0.17.1"