diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 86b2275..9925fe5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,10 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@master
+      - name: RuboCop Linter Action
+        uses: andrewmcodes/rubocop-linter-action@v3.3.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Create master.key
         uses: finnp/create-file-action@master
         env:
diff --git a/Dockerfile.dev b/Dockerfile.dev
index 5ac72cf..ed42131 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -25,7 +25,6 @@ COPY ./entrypoint.dev.sh /usr/bin/entrypoint.sh
 RUN chmod +x /usr/bin/entrypoint.sh
 
 RUN gem install bundler --version "$BUNDLE_VERSION"
-RUN gem install rubocop
 
 COPY . .
 
diff --git a/Gemfile b/Gemfile
index 572deaf..fa6d43c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,6 +48,8 @@ group :development do
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
+  # A Ruby static code analyzer and formatter, based on the community Ruby style guide.
+  gem 'rubocop', '~> 1.17'
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 40d58e2..ffc4120 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,6 +46,7 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     ansi (1.5.0)
     arel (9.0.0)
+    ast (2.4.2)
     bcrypt (3.1.16)
     bcrypt (3.1.16-java)
     bindex (0.8.1)
@@ -104,6 +105,9 @@ GEM
       racc (~> 1.4)
     nokogiri (1.11.7-x86-mingw32)
       racc (~> 1.4)
+    parallel (1.20.1)
+    parser (3.0.1.1)
+      ast (~> 2.4.1)
     pg (1.2.3)
     pg (1.2.3-x64-mingw32)
     pg (1.2.3-x86-mingw32)
@@ -143,12 +147,26 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
+    rainbow (3.0.0)
     rake (13.0.3)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redis (4.3.1)
     regexp_parser (2.1.1)
+    rexml (3.2.5)
+    rubocop (1.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.0.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml
+      rubocop-ast (>= 1.7.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.7.0)
+      parser (>= 3.0.1.1)
+    ruby-progressbar (1.11.0)
     ruby_dep (1.5.0)
     rubyzip (2.3.0)
     selenium-webdriver (3.142.7)
@@ -229,6 +247,7 @@ DEPENDENCIES
   puma (~> 4.3.8)
   rails (~> 5.2.6)
   redis (~> 4.0)
+  rubocop (~> 1.17)
   selenium-webdriver
   simplecov
   simplecov-console
diff --git a/README.md b/README.md
index 10cf898..17fc5db 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ docker-compose run --rm app bundle exec rails test
 
 ### Rubocop
 ```bash
-docker-compose run --rm app rubocop 
+docker-compose run --rm app bundle exec rubocop 
 ```
 
 ## Results