diff --git a/nexpose.gemspec b/nexpose.gemspec
index 6286ca87..b6b907f0 100644
--- a/nexpose.gemspec
+++ b/nexpose.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency('bundler', '~> 1.3')
   s.add_development_dependency('codeclimate-test-reporter', '~> 0.4.6')
-  s.add_development_dependency('simplecov', '~> 0.9.1')
+  s.add_development_dependency('simplecov', '~> 0.17.0')
   s.add_development_dependency('rake')
   s.add_development_dependency('rspec', '~> 3.2')
   s.add_development_dependency('rubocop')