diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 847896f..cd305aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,9 @@ jobs:
           --health-retries 10
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
+      with:
+        persist-credentials: false
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -106,6 +108,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+      with:
+        persist-credentials: false
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2