diff --git a/Gemfile b/Gemfile
index 9b3685c..5d64430 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'rubocop-elegant', '~>0.0', require: false
 gem 'rubocop-minitest', '~>0.38', require: false
 gem 'rubocop-performance', '~>1.25', require: false
 gem 'rubocop-rake', '~>0.7', require: false
-gem 'simplecov', '~>0.22', require: false
+gem 'simplecov', '~>1.0', require: false
 gem 'simplecov-cobertura', '~>3.0', require: false
 gem 'webmock', '~>3.25', require: false
 gem 'yard', '~>0.9', require: false