diff --git a/Gemfile.lock b/Gemfile.lock
index 10a5c85..f709c63 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,11 +83,12 @@ GEM
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
-    simplecov (0.17.1)
+    simplecov (0.22.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
     thor (1.2.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -107,7 +108,7 @@ DEPENDENCIES
   rubocop-rake (~> 0.6.0)
   rubocop-rspec (~> 2.12, >= 2.12.1)
   service_record!
-  simplecov (~> 0.17.1)
+  simplecov (~> 0.22.0)
 
 BUNDLED WITH
    2.3.4
diff --git a/service_record.gemspec b/service_record.gemspec
index 39e66ff..b289b2a 100644
--- a/service_record.gemspec
+++ b/service_record.gemspec
@@ -37,5 +37,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop-rails', '~> 2.15', '>= 2.15.2'
   spec.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   spec.add_development_dependency 'rubocop-rspec', '~> 2.12', '>= 2.12.1'
-  spec.add_development_dependency 'simplecov', '~> 0.17.1'
+  spec.add_development_dependency 'simplecov', '~> 0.22.0'
 end
diff --git a/spec/auth_service_spec.rb b/spec/auth_service_spec.rb
index 3c9b467..bafd55e 100644
--- a/spec/auth_service_spec.rb
+++ b/spec/auth_service_spec.rb
@@ -8,7 +8,7 @@
       let(:response) { described_class.perform(email: AuthService::EMAIL, password: AuthService::PASSWORD) }
 
       it 'has no errors' do
-        expect(response.errors.empty).to be(true)
+        expect(response.errors.empty?).to be(true)
       end
 
       it 'returns true for success?' do