diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f44a2783..dc409b10 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3]
+        php: [7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4]
     name: PHP - ${{ matrix.php }}
     steps:
       - name: Checkout code