diff --git a/sensu-plugins-elasticsearch.gemspec b/sensu-plugins-elasticsearch.gemspec
index aa6ff14..464f4a1 100644
--- a/sensu-plugins-elasticsearch.gemspec
+++ b/sensu-plugins-elasticsearch.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'elasticsearch',     '~> 1.0.14'
   s.add_runtime_dependency 'aws-es-transport',  '~> 0.1'
   s.add_runtime_dependency 'aws-sdk', ['>= 2.1.14', '< 2.5', '~> 2.1']
-  s.add_runtime_dependency 'sensu-plugin',      '~> 1.2'
+  s.add_runtime_dependency 'sensu-plugin', '~> 1.2'
 
   s.add_development_dependency 'bundler',                   '~> 1.7'
   s.add_development_dependency 'codeclimate-test-reporter', '~> 0.4'