diff --git a/.github/workflows/make_and_send_alert.yml b/.github/workflows/make_and_send_alert.yml
index 08bf2d136c..e548a9172c 100644
--- a/.github/workflows/make_and_send_alert.yml
+++ b/.github/workflows/make_and_send_alert.yml
@@ -16,6 +16,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           token: ${{ secrets.MY_PERSONAL_ACCESS_TOKEN }}
+          persist-credentials: false
           submodules: recursive
 
       - name: Setup Python.
diff --git a/.github/workflows/make_tracked_links_list.yml b/.github/workflows/make_tracked_links_list.yml
index bf411dd6da..9c25ad8b0c 100644
--- a/.github/workflows/make_tracked_links_list.yml
+++ b/.github/workflows/make_tracked_links_list.yml
@@ -18,6 +18,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           token: ${{ secrets.MY_PERSONAL_ACCESS_TOKEN }}
+          persist-credentials: false
           submodules: recursive
 
       - name: Setup Python.