diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..14669f0
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,45 @@
+# Ruby CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-ruby/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+       - image: circleci/ruby:2.4.1
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "Gemfile" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run:
+          name: install dependencies
+          command: |
+            bundle install --jobs=4 --retry=3 --path vendor/bundle
+
+      - save_cache:
+          paths:
+            - ./venv
+          key: v1-dependencies-{{ checksum "Gemfile" }}
+
+      # run tests!
+      - run:
+          name: run tests
+          command: |
+            bundle exec rake
+
+      # collect reports
+      - store_test_results:
+          path: ~/repo/fastlane/report.junit
+      - store_artifacts:
+          path: ~/repo/fastlane
+          destination: test-results
diff --git a/.gitignore b/.gitignore
index 005d50f..304119b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.gem
+Gemfile.lock
 
 ## Documentation cache and generated files:
 /.yardoc/
@@ -9,3 +10,4 @@ fastlane/report.xml
 fastlane/README.md
 
 coverage
+test-results
diff --git a/.rspec b/.rspec
index 79b4f5e..e1f89b5 100644
--- a/.rspec
+++ b/.rspec
@@ -1,3 +1,5 @@
 --require spec_helper
 --color
 --format d
+--format RspecJunitFormatter
+--out test-results/rspec/rspec.xml
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 7b96051..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,249 +0,0 @@
-PATH
-  remote: .
-  specs:
-    fastlane-plugin-branch (0.5.2)
-      fastlane-plugin-patch
-      plist
-      xcodeproj
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    CFPropertyList (2.3.5)
-    activesupport (4.2.10)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
-    ast (2.3.0)
-    babosa (1.0.2)
-    claide (1.0.2)
-    cocoapods (1.3.1)
-      activesupport (>= 4.0.2, < 5)
-      claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.3.1)
-      cocoapods-deintegrate (>= 1.0.1, < 2.0)
-      cocoapods-downloader (>= 1.1.3, < 2.0)
-      cocoapods-plugins (>= 1.0.0, < 2.0)
-      cocoapods-search (>= 1.0.0, < 2.0)
-      cocoapods-stats (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.2.0, < 2.0)
-      cocoapods-try (>= 1.1.0, < 2.0)
-      colored2 (~> 3.1)
-      escape (~> 0.0.4)
-      fourflusher (~> 2.0.1)
-      gh_inspector (~> 1.0)
-      molinillo (~> 0.5.7)
-      nap (~> 1.0)
-      ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.1, < 2.0)
-    cocoapods-core (1.3.1)
-      activesupport (>= 4.0.2, < 6)
-      fuzzy_match (~> 2.0.4)
-      nap (~> 1.0)
-    cocoapods-deintegrate (1.0.1)
-    cocoapods-downloader (1.1.3)
-    cocoapods-plugins (1.0.0)
-      nap
-    cocoapods-search (1.0.0)
-    cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
-      nap (>= 0.8, < 2.0)
-      netrc (~> 0.11)
-    cocoapods-try (1.1.0)
-    coderay (1.1.2)
-    colored (1.2)
-    colored2 (3.1.2)
-    commander-fastlane (4.4.5)
-      highline (~> 1.7.2)
-    declarative (0.0.10)
-    declarative-option (0.1.0)
-    diff-lcs (1.3)
-    docile (1.1.5)
-    domain_name (0.5.20170404)
-      unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.2.1)
-    escape (0.0.4)
-    excon (0.59.0)
-    faraday (0.13.1)
-      multipart-post (>= 1.2, < 3)
-    faraday-cookie_jar (0.0.6)
-      faraday (>= 0.7.4)
-      http-cookie (~> 1.0.0)
-    faraday_middleware (0.12.2)
-      faraday (>= 0.7.4, < 1.0)
-    fastimage (2.1.0)
-    fastlane (2.60.1)
-      CFPropertyList (>= 2.3, < 3.0.0)
-      addressable (>= 2.3, < 3.0.0)
-      babosa (>= 1.0.2, < 2.0.0)
-      bundler (>= 1.12.0, < 2.0.0)
-      colored
-      commander-fastlane (>= 4.4.5, < 5.0.0)
-      dotenv (>= 2.1.1, < 3.0.0)
-      excon (>= 0.45.0, < 1.0.0)
-      faraday (~> 0.9)
-      faraday-cookie_jar (~> 0.0.6)
-      faraday_middleware (~> 0.9)
-      fastimage (>= 2.1.0, < 3.0.0)
-      gh_inspector (>= 1.0.1, < 2.0.0)
-      google-api-client (>= 0.13.1, < 0.14.0)
-      highline (>= 1.7.2, < 2.0.0)
-      json (< 3.0.0)
-      mini_magick (~> 4.5.1)
-      multi_json
-      multi_xml (~> 0.5)
-      multipart-post (~> 2.0.0)
-      plist (>= 3.1.0, < 4.0.0)
-      public_suffix (~> 2.0.0)
-      rubyzip (>= 1.1.0, < 2.0.0)
-      security (= 0.1.3)
-      slack-notifier (>= 1.3, < 2.0.0)
-      terminal-notifier (>= 1.6.2, < 2.0.0)
-      terminal-table (>= 1.4.5, < 2.0.0)
-      tty-screen (~> 0.5.0)
-      word_wrap (~> 1.0.0)
-      xcodeproj (>= 1.5.0, < 2.0.0)
-      xcpretty (>= 0.2.4, < 1.0.0)
-      xcpretty-travis-formatter (>= 0.0.3)
-    fastlane-plugin-patch (0.4.0)
-    fourflusher (2.0.1)
-    fuzzy_match (2.0.4)
-    gh_inspector (1.0.3)
-    google-api-client (0.13.6)
-      addressable (~> 2.5, >= 2.5.1)
-      googleauth (~> 0.5)
-      httpclient (>= 2.8.1, < 3.0)
-      mime-types (~> 3.0)
-      representable (~> 3.0)
-      retriable (>= 2.0, < 4.0)
-    googleauth (0.5.3)
-      faraday (~> 0.12)
-      jwt (~> 1.4)
-      logging (~> 2.0)
-      memoist (~> 0.12)
-      multi_json (~> 1.11)
-      os (~> 0.9)
-      signet (~> 0.7)
-    highline (1.7.8)
-    http-cookie (1.0.3)
-      domain_name (~> 0.5)
-    httpclient (2.8.3)
-    i18n (0.8.6)
-    json (2.1.0)
-    jwt (1.5.6)
-    little-plugger (1.1.4)
-    logging (2.2.2)
-      little-plugger (~> 1.1)
-      multi_json (~> 1.10)
-    memoist (0.16.0)
-    method_source (0.9.0)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    mini_magick (4.5.1)
-    minitest (5.10.3)
-    molinillo (0.5.7)
-    multi_json (1.12.2)
-    multi_xml (0.6.0)
-    multipart-post (2.0.0)
-    nanaimo (0.2.3)
-    nap (1.1.0)
-    netrc (0.11.0)
-    os (0.9.6)
-    parallel (1.12.0)
-    parser (2.4.0.0)
-      ast (~> 2.2)
-    plist (3.3.0)
-    powerpack (0.1.1)
-    pry (0.11.1)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    public_suffix (2.0.5)
-    rainbow (2.2.2)
-      rake
-    rake (12.1.0)
-    representable (3.0.4)
-      declarative (< 0.1.0)
-      declarative-option (< 0.2.0)
-      uber (< 0.2.0)
-    retriable (3.1.1)
-    rouge (2.0.7)
-    rspec (3.6.0)
-      rspec-core (~> 3.6.0)
-      rspec-expectations (~> 3.6.0)
-      rspec-mocks (~> 3.6.0)
-    rspec-core (3.6.0)
-      rspec-support (~> 3.6.0)
-    rspec-expectations (3.6.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
-    rspec-mocks (3.6.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
-    rspec-simplecov (0.2.2)
-    rspec-support (3.6.0)
-    rubocop (0.50.0)
-      parallel (~> 1.10)
-      parser (>= 2.3.3.1, < 3.0)
-      powerpack (~> 0.1)
-      rainbow (>= 2.2.2, < 3.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-macho (1.1.0)
-    ruby-progressbar (1.9.0)
-    rubyzip (1.2.1)
-    security (0.1.3)
-    signet (0.7.3)
-      addressable (~> 2.3)
-      faraday (~> 0.9)
-      jwt (~> 1.5)
-      multi_json (~> 1.10)
-    simplecov (0.15.1)
-      docile (~> 1.1.0)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    slack-notifier (1.5.1)
-    terminal-notifier (1.8.0)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
-    thread_safe (0.3.6)
-    tty-screen (0.5.0)
-    tzinfo (1.2.3)
-      thread_safe (~> 0.1)
-    uber (0.1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.7.4)
-    unicode-display_width (1.3.0)
-    word_wrap (1.0.0)
-    xcodeproj (1.5.2)
-      CFPropertyList (~> 2.3.3)
-      claide (>= 1.0.2, < 2.0)
-      colored2 (~> 3.1)
-      nanaimo (~> 0.2.3)
-    xcpretty (0.2.8)
-      rouge (~> 2.0.7)
-    xcpretty-travis-formatter (0.0.4)
-      xcpretty (~> 0.2, >= 0.0.7)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  bundler
-  cocoapods
-  fastlane (>= 2.26.1)
-  fastlane-plugin-branch!
-  pry
-  rake
-  rspec
-  rspec-simplecov
-  rubocop
-  simplecov
-
-BUNDLED WITH
-   1.15.4
diff --git a/circle.yml b/circle.yml
deleted file mode 100644
index 1732768..0000000
--- a/circle.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-test:
-  override:
-    - bundle exec rake
-machine:
-  ruby:
-    version: 2.4.2
-# Enable xcode below if you need macOS
-#   xcode:
-#     version: "8.3"
diff --git a/fastlane-plugin-branch.gemspec b/fastlane-plugin-branch.gemspec
index 17e85b1..72398eb 100644
--- a/fastlane-plugin-branch.gemspec
+++ b/fastlane-plugin-branch.gemspec
@@ -25,8 +25,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rspec'
   spec.add_development_dependency 'rake'
+  spec.add_development_dependency 'rspec_junit_formatter'
   spec.add_development_dependency 'rspec-simplecov'
-  spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'rubocop', '~> 0.50.0'
   spec.add_development_dependency 'simplecov'
   spec.add_development_dependency 'fastlane', '>= 2.26.1'
 end