diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index d972f86..564cf22 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -42,3 +42,22 @@ jobs:
       run: |
         php vendor/bin/phpunit --coverage-clover clover.xml --coverage-text
         ./cc-test-reporter after-build -t clover --exit-code $?
+
+  phpunit-php-latest:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - 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
+    - name: Run test suite
+      run: php vendor/bin/phpunit