diff --git a/detectify.gemspec b/detectify.gemspec
index ae9439e..e76a5c9 100644
--- a/detectify.gemspec
+++ b/detectify.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'activerecord', '>= 4.2'
 
   spec.add_development_dependency 'byebug', '~> 9.0'
-  spec.add_development_dependency 'bundler', '~> 1.12'
+  spec.add_development_dependency 'bundler', '~> 2.2'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'fuubar', '~> 2.0'