diff --git a/flame.gemspec b/flame.gemspec
index caa64ed..5fa60f6 100644
--- a/flame.gemspec
+++ b/flame.gemspec
@@ -44,7 +44,7 @@ Gem::Specification.new do |spec|
 	spec.add_development_dependency 'gem_toys', '~> 0.5.0'
 	spec.add_development_dependency 'toys', '~> 0.11.0'
 
-	spec.add_development_dependency 'codecov', '~> 0.3.0'
+	spec.add_development_dependency 'codecov', '~> 0.4.3'
 	spec.add_development_dependency 'rack-test', '~> 1.1'
 	spec.add_development_dependency 'rspec', '~> 3.9'
 	spec.add_development_dependency 'simplecov', '~> 0.21.2'