diff --git a/Gemfile b/Gemfile
index 7391b1b..89eca98 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,5 +8,5 @@ gemspec
 gem 'minitest', '~> 5.0'
 gem 'rake', '~> 13.0'
 gem 'rubocop', '~> 1.11.0'
-gem 'simplecov', '~> 0.20.0', require: false # CodeClimate not compatible with 0.18+ yet - https://github.com/codeclimate/test-reporter/issues/413
+gem 'simplecov', '~> 0.21.2', require: false # CodeClimate not compatible with 0.18+ yet - https://github.com/codeclimate/test-reporter/issues/413
 gem 'simplecov-lcov', '< 0.8'