diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
new file mode 100644
index 000000000..7334743d2
--- /dev/null
+++ b/.github/workflows/phpunit-tests.yml
@@ -0,0 +1,42 @@
+name: CI - PHPUnit
+
+on:
+    push:
+        branches: [ develop ]
+    pull_request:
+        branches: [ master, develop ]
+
+jobs:
+    build:
+
+        runs-on: ubuntu-latest
+        name: PHPUnit tests on PHP ${{ matrix.php-version }}
+        strategy:
+            matrix:
+                php-version: [ '7.1', '7.2', '7.3', '7.4' ]
+
+        container:
+            image: junaidbhura/wp-tests:php-${{ matrix.php-version }}
+
+        services:
+            mysql:
+                image: mysql:5.7
+                env:
+                    MYSQL_ROOT_PASSWORD: password
+                options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+
+            - name: Validate composer.json and composer.lock
+              run: composer validate
+
+            - name: Install dependencies
+              run: composer install --prefer-dist --no-progress --no-suggest
+
+            - name: Install WordPress
+              run: bash bin/install-wp-tests.sh wordpress_test root 'password' mysql
+
+            - name: Run test suite
+              run: composer tests