diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3729d0e..f3be3b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.5", "2.6"]
+        ruby: ["2.5", "2.6", "2.7"]
 
     runs-on: macos-latest
     steps:
@@ -19,16 +19,22 @@ jobs:
     # Show env
     - name: Show macOS version
       run: sw_vers
-    - name: Show ruby version
+    - name: Show env versions
       run: |
         ruby --version
         bundler --version
+        echo $HOME
     
     # Prepare
-    - name: Install bundler 1.7
-      run: gem install bundler -v "~> 1.7"
+    - name: Install bundler 2.2.14
+      run: gem install bundler -v "~> 2.2.14"
     - name: Install ruby dependencies
-      run: bundle install -j4 --clean --path=vendor
+      run: |
+        bundle config --local clean 'true'
+        bundle config --local path '.vendor'
+        bundle config --local jobs 8
+        bundle config --local without 'system_tests'
+        bundle install
 
     - name: Run test
       run: bundle exec rake spec
diff --git a/.gitignore b/.gitignore
index 4e57d3f..d3896b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 mkmf.log
 .DS_Store
 test
+.vendor
diff --git a/xcode-install.gemspec b/xcode-install.gemspec
index 84d955a..ba08c3a 100644
--- a/xcode-install.gemspec
+++ b/xcode-install.gemspec
@@ -27,6 +27,6 @@ Gem::Specification.new do |spec|
   # contains spaceship, which is used for auth and dev portal interactions
   spec.add_dependency 'fastlane', '>= 2.1.0', '< 3.0.0'
 
-  spec.add_development_dependency 'bundler', '~> 1.7'
+  spec.add_development_dependency 'bundler', '>= 2.0.0', '< 3.0.0'
   spec.add_development_dependency 'rake', '>= 12.3.3'
 end