diff --git a/.github/workflows/cs.yml b/.github/workflows/cs.yml
index ce40757..d585bea 100644
--- a/.github/workflows/cs.yml
+++ b/.github/workflows/cs.yml
@@ -22,6 +22,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       - name: Install PHP
         uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
@@ -118,6 +120,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       # Updating the lists can fail intermittently, typically after Microsoft has released a new package.
       # This should not be blocking for this job, so ignore any errors from this step.
diff --git a/.github/workflows/quicktest.yml b/.github/workflows/quicktest.yml
index 3e5ea32..08187c5 100644
--- a/.github/workflows/quicktest.yml
+++ b/.github/workflows/quicktest.yml
@@ -29,6 +29,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       # Updating the lists can fail intermittently, typically after Microsoft has released a new package.
       # This should not be blocking for this job, so ignore any errors from this step.
@@ -122,6 +124,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       # On stable PHPCS versions, allow for PHP deprecation notices.
       # Unit tests don't need to fail on those for stable releases where those issues won't get fixed anymore.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f02fbd6..f703c98 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,6 +32,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       # Updating the lists can fail intermittently, typically after Microsoft has released a new package.
       # This should not be blocking for this job, so ignore any errors from this step.
@@ -177,6 +179,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
 
       - name: Setup ini config
         id: set_ini
diff --git a/.github/workflows/update-website.yml b/.github/workflows/update-website.yml
index 8a94272..80609be 100644
--- a/.github/workflows/update-website.yml
+++ b/.github/workflows/update-website.yml
@@ -51,6 +51,7 @@ jobs:
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           ref: ${{ steps.base_branch.outputs.BRANCH }}
+          persist-credentials: false
 
       - name: Install PHP
         uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0