diff --git a/.github/workflows/refresh-php8.yml b/.github/workflows/refresh-php8.yml
index fd2f9dbc..92371f49 100644
--- a/.github/workflows/refresh-php8.yml
+++ b/.github/workflows/refresh-php8.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout php8 branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.9
         with:
           # directly checkout the php8 branch
           ref: php8