diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 13fc947f..de513a56 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ "8.0", "8.1", "8.2", "8.3" ]
+        php: [ "8.0", "8.1", "8.2", "8.3", "8.4" ]
     name: PHP ${{matrix.php }} Unit Test
     steps:
       - uses: actions/checkout@v2