diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1a8762e..0310a27 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,7 @@ jobs:
           - '8.1'
           - '8.2'
           - '8.3'
+          - '8.4'
 
     name: PHP ${{ matrix.php-version }}