diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index e94f291..7f1c84c 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ '8.1', '8.2' ]
+        php: [ '8.1', '8.2', '8.3' ]
     name: PHP ${{ matrix.php }}
     steps:
       - uses: actions/checkout@v2