diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f1c485e..832bbde 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,6 +13,8 @@ jobs:
           - '8.0'
           - '8.1'
           - '8.2'
+          - '8.3'
+          - '8.4'
     name: php ${{ matrix.php-version }} on ${{ matrix.operating-system }}
     runs-on: ${{ matrix.operating-system }}
     steps: