diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 1bfa996..3ea0854 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -3,7 +3,7 @@ name: Rubocop
 on:
   pull_request:
     branches:
-      - '*'
+      - "*"
   push:
     branches:
       - master
@@ -13,14 +13,14 @@ jobs:
     name: Ruocop Action
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
-    - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
-      with:
-        ruby-version: 2.6.x
-    - name: Bundle
-      run: |
-        gem install bundler
-        bundle install --jobs 4 --retry 3
-    - name: Run Rubocop
-      run: bin/rubocop
+      - uses: actions/checkout@master
+      - name: Set up Ruby 2.6
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6.x
+      - name: Bundle
+        run: |
+          gem install bundler
+          bundle install --jobs 4 --retry 3
+      - name: Run Rubocop
+        run: rubocop
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7fd73c9..659108b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,7 +3,7 @@ name: Test
 on:
   pull_request:
     branches:
-      - '*'
+      - "*"
   push:
     branches:
       - master
@@ -13,14 +13,14 @@ jobs:
     name: Rspec Test Action
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
-    - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
-      with:
-        ruby-version: 2.6.x
-    - name: Bundle
-      run: |
-        gem install bundler
-        bundle install --jobs 4 --retry 3
-    - name: Run Rspec
-      run: bin/rspec
+      - uses: actions/checkout@master
+      - name: Set up Ruby 2.6
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6.x
+      - name: Bundle
+        run: |
+          gem install bundler
+          bundle install --jobs 4 --retry 3
+      - name: Run Rspec
+        run: rspec
diff --git a/Gemfile b/Gemfile
index 0e6ca2e..4e706eb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,12 +3,12 @@
 source 'https://rubygems.org'
 
 group :development do
-  gem 'rubocop', '~> 0.76.0'
+  gem 'brakeman'
+  gem 'rubocop'
 end
 
 group :test do
-  gem 'json', '~> 2.2'
-  gem 'pry', '~> 0.12.2'
-  gem 'rspec', '~> 3.9.0'
-  gem 'webmock', '~> 3.7', '>= 3.7.6'
+  gem 'pry'
+  gem 'rspec'
+  gem 'webmock'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 63b65b0..9fdc123 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,13 +4,13 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.0)
+    brakeman (4.7.1)
     coderay (1.1.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
     hashdiff (1.0.0)
-    jaro_winkler (1.5.3)
-    json (2.2.0)
+    jaro_winkler (1.5.4)
     method_source (0.9.2)
     parallel (1.18.0)
     parser (2.6.5.0)
@@ -52,11 +52,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  json (~> 2.2)
-  pry (~> 0.12.2)
-  rspec (~> 3.9.0)
-  rubocop (~> 0.76.0)
-  webmock (~> 3.7, >= 3.7.6)
+  brakeman
+  pry
+  rspec
+  rubocop
+  webmock
 
 BUNDLED WITH
-   2.0.2
+   1.17.3
diff --git a/bin/rspec b/bin/rspec
deleted file mode 100755
index 58d85dd..0000000
--- a/bin/rspec
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env ruby
-# frozen_string_literal: true
-
-#
-# This file was generated by Bundler.
-#
-# The application 'rspec' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile',
-                                           Pathname.new(__FILE__).realpath)
-
-bundle_binstub = File.expand_path('bundle', __dir__)
-
-if File.file?(bundle_binstub)
-  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
-    load(bundle_binstub)
-  else
-    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
-Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
-  end
-end
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('rspec-core', 'rspec')
diff --git a/bin/rubocop b/bin/rubocop
deleted file mode 100755
index 66a026a..0000000
--- a/bin/rubocop
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env ruby
-# frozen_string_literal: true
-
-#
-# This file was generated by Bundler.
-#
-# The application 'rubocop' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile',
-                                           Pathname.new(__FILE__).realpath)
-
-bundle_binstub = File.expand_path('bundle', __dir__)
-
-if File.file?(bundle_binstub)
-  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
-    load(bundle_binstub)
-  else
-    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
-Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
-  end
-end
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('rubocop', 'rubocop')
diff --git a/spec/github_check_run_service_spec.rb b/spec/github_check_run_service_spec.rb
index 300de70..7fb5dac 100644
--- a/spec/github_check_run_service_spec.rb
+++ b/spec/github_check_run_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require './spec/spec_helper'
 
 describe GithubCheckRunService do
@@ -15,5 +17,4 @@ describe GithubCheckRunService do
     output = service.run
     expect(output).to be_a(Hash)
   end
-
 end
diff --git a/spec/report_adapter_spec.rb b/spec/report_adapter_spec.rb
index 5efe47d..42bf2ed 100644
--- a/spec/report_adapter_spec.rb
+++ b/spec/report_adapter_spec.rb
@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require './spec/spec_helper'
 
 describe ReportAdapter do
-  let(:brakeman_report) {
+  let(:brakeman_report) do
     JSON(File.read('./spec/fixtures/input.json'))
-  }
+  end
 
   let(:adapter) { ReportAdapter }
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 79d7889..d37a172 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'webmock/rspec'
 require 'json'
 require 'pry'