diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 1c1acec..58698df 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -26,6 +26,7 @@ jobs:
           - "8.2"
           - "8.3"
           - '8.4'
+          - "8.5"
 
     steps:
       - name: Checkout