diff --git a/aruba.gemspec b/aruba.gemspec
index 8bb0ab418..98a19b560 100644
--- a/aruba.gemspec
+++ b/aruba.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'contracts', '~> 0.13'
   spec.add_runtime_dependency 'thor', '~> 0.19'
 
-  spec.add_development_dependency 'bundler', '~> 1.7'
+  spec.add_development_dependency 'bundler', ['>= 1.7.0', '< 3.0']
   spec.rubygems_version = ">= 1.6.1"
   spec.required_ruby_version = '>= 1.9.3'