diff --git a/CHANGELOG.md b/CHANGELOG.md
index c818b41..8b0b89e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ This CHANGELOG follows the format located [here](https://github.com/sensu-plugin
 
 ## [Unreleased]
 
+### Breaking Change
+- bumped requirement of `sensu-plugin` [to 2.0](https://github.com/sensu-plugins/sensu-plugin/blob/master/CHANGELOG.md#v200---2017-03-29) (@majormoses)
+
+### Fixed
+- check-mongodb-metric.rb: make `--metric` required since it is (@majormoses)
+
 ## [1.4.1] - 2017-09-23
 ### Fixed
 - Support for database size metrics (@fandrews)
diff --git a/bin/check-mongodb-metric.rb b/bin/check-mongodb-metric.rb
index 3977dca..592ac59 100755
--- a/bin/check-mongodb-metric.rb
+++ b/bin/check-mongodb-metric.rb
@@ -95,7 +95,8 @@ class CheckMongodbMetric < Sensu::Plugin::Check::CLI
   option :metric,
          description: 'Name of the metric to check',
          long: '--metric METRIC',
-         short: '-m METRIC'
+         short: '-m METRIC',
+         required: true
 
   option :warn,
          description: 'Warn if values are above this threshold',
diff --git a/sensu-plugins-mongodb.gemspec b/sensu-plugins-mongodb.gemspec
index 1215165..c677420 100644
--- a/sensu-plugins-mongodb.gemspec
+++ b/sensu-plugins-mongodb.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency 'bson',              '~> 4.0'
   s.add_runtime_dependency 'mongo',             '2.4.1'
-  s.add_runtime_dependency 'sensu-plugin',      '~> 1.2'
+  s.add_runtime_dependency 'sensu-plugin',      '~> 2.0'
 
   s.add_development_dependency 'bundler',                   '~> 1.7'
   s.add_development_dependency 'codeclimate-test-reporter', '~> 0.4'