diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index fa6b89d..8315ebd 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: [ '8.3' ]
+        php-versions: [ '8.3', '8.4' ]
     name: PHP ${{ matrix.php-versions }}
     steps:
       - name: Checkout