diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ea5818d..df33fb3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.1, 8.2, 8.3]
+        php: [8.1, 8.2, 8.3, 8.4]
 
     name: PHP ${{ matrix.php }}