diff --git a/sensu-plugins-datadog.gemspec b/sensu-plugins-datadog.gemspec
index 41d2a83..51d17a9 100644
--- a/sensu-plugins-datadog.gemspec
+++ b/sensu-plugins-datadog.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'dogapi',       '~> 1.27'
   s.add_runtime_dependency 'sensu-plugin', '>= 1.2', '< 5.0'
 
-  s.add_development_dependency 'bundler', '~> 1.7'
+  s.add_development_dependency 'bundler', '~> 2.2'
   s.add_development_dependency 'codeclimate-test-reporter', '~> 1.0'
   s.add_development_dependency 'github-markup',             '~> 3.0'
   s.add_development_dependency 'pry',                       '~> 0.10'