diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b1a16613a..189ab083b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -204,11 +204,11 @@ jobs:
 
       - name: Run tests, no code coverage
         if: ${{ matrix.coverage == false || github.repository != 'PHPMailer/PHPMailer' }}
-        run: ./vendor/bin/phpunit --no-coverage
+        run: ./vendor/bin/phpunit --no-coverage --testdox --filter PunyencodeAddressTest
 
       - name: Run tests with code coverage
         if: ${{ matrix.coverage == true  && github.repository == 'PHPMailer/PHPMailer' }}
-        run: vendor/bin/phpunit
+        run: vendor/bin/phpunit --testdox --filter PunyencodeAddressTest
 
       - name: Send coverage report to Codecov
         if: ${{ success() && matrix.coverage == true && github.repository == 'PHPMailer/PHPMailer' }}