diff --git a/coveralls-ruby.gemspec b/coveralls-ruby.gemspec
index 3d052103..9c3313bd 100644
--- a/coveralls-ruby.gemspec
+++ b/coveralls-ruby.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |gem|
   gem.required_ruby_version = '>= 1.8.7'
 
   gem.add_dependency 'json', '>= 1.8', '< 3'
-  gem.add_dependency 'simplecov', '~> 0.12.0'
+  gem.add_dependency 'simplecov', '~> 0.14.1'
   gem.add_dependency 'tins', '~> 1.6'
   gem.add_dependency 'term-ansicolor', '~> 1.3'
   gem.add_dependency 'thor', '~> 0.19.4'