diff --git a/Gemfile.lock b/Gemfile.lock
index 78cbf1578b..e013416bd6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.11.0)
-    simplecov (0.21.2)
+    simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
@@ -69,7 +69,7 @@ DEPENDENCIES
   rubocop (= 1.43.0)
   rubocop-minitest (= 0.25.1)
   rubocop-rake (= 0.6.0)
-  simplecov (= 0.21.2)
+  simplecov (= 0.22.0)
   test-unit (= 3.5.7)
   timecop (= 0.9.6)
   yard (= 0.9.27)
diff --git a/faker.gemspec b/faker.gemspec
index 1fe36669c9..5828bfb2fa 100644
--- a/faker.gemspec
+++ b/faker.gemspec
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency('rubocop', '1.43.0')
   spec.add_development_dependency('rubocop-minitest', '0.25.1')
   spec.add_development_dependency('rubocop-rake', '0.6.0')
-  spec.add_development_dependency('simplecov', '0.21.2')
+  spec.add_development_dependency('simplecov', '0.22.0')
   spec.add_development_dependency('test-unit', '3.5.7')
   spec.add_development_dependency('timecop', '0.9.6')
   spec.add_development_dependency('yard', '0.9.27')