diff --git a/.github/workflows/test-php.yml b/.github/workflows/test-php.yml
index c9350c2..1c9d8bb 100644
--- a/.github/workflows/test-php.yml
+++ b/.github/workflows/test-php.yml
@@ -20,6 +20,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Cache Composer dependencies
         uses: actions/cache@v4
@@ -72,6 +74,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Cache Composer dependencies
         uses: actions/cache@v4