diff --git a/.github/workflows/webdriver-chrome-selenium4.yml b/.github/workflows/webdriver-chrome-selenium4.yml
new file mode 100644
index 0000000..63ce71e
--- /dev/null
+++ b/.github/workflows/webdriver-chrome-selenium4.yml
@@ -0,0 +1,45 @@
+name: Chrome Tests (Selenium 4)
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - run: docker run -d --net=host --shm-size=2g selenium/standalone-chrome:4.1.3
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+      
+    - run: php ./vendor/bin/codecept build
+    - name: Start dev server
+      run: php -S 127.0.0.1:8000 -t tests/data/app >/dev/null 2>&1 &
+      
+    - name: Tests
+      run: php ./vendor/bin/codecept run --env chrome
+
+    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
+    # Docs: https://getcomposer.org/doc/articles/scripts.md
+
+    # - name: Run test suite
+    #   run: composer run-script test
diff --git a/.github/workflows/webdriver-firefox-selenium4.yml b/.github/workflows/webdriver-firefox-selenium4.yml
new file mode 100644
index 0000000..0081762
--- /dev/null
+++ b/.github/workflows/webdriver-firefox-selenium4.yml
@@ -0,0 +1,45 @@
+name: Firefox Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    
+    - run: docker run -d --net=host --shm-size=2g selenium/standalone-firefox:4.1.3
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+      
+    - run: php ./vendor/bin/codecept build
+    - name: Start dev server
+      run: php -S 127.0.0.1:8000 -t tests/data/app >/dev/null 2>&1 &
+      
+    - name: Tests
+      run: php ./vendor/bin/codecept run --env firefox
+
+    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
+    # Docs: https://getcomposer.org/doc/articles/scripts.md
+
+    # - name: Run test suite
+    #   run: composer run-script test