diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 9ec80525..3ea149bc 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -18,6 +18,7 @@ jobs:
         - '8.0'
         - '8.1'
         - '8.2'
+        - '8.3'
 
     steps:
     - name: Install s3cmd