diff --git a/.github/workflows/publish-demo.yaml b/.github/workflows/publish-demo.yaml
index 8d63c7e..37befbe 100644
--- a/.github/workflows/publish-demo.yaml
+++ b/.github/workflows/publish-demo.yaml
@@ -27,6 +27,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: ${{ inputs.ref || github.ref }}
+          persist-credentials: false
 
       - name: Build
         run: npm ci && npm run build
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index ad8c5d6..1dd5418 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -20,6 +20,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: refs/tags/${{ steps.release.outputs.tag_name }}
+          persist-credentials: false
         if: ${{ steps.release.outputs.release_created }}
 
       - uses: actions/setup-node@v1
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 0317473..a8e06e5 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -22,6 +22,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref: ${{ inputs.ref || github.ref }}
+          persist-credentials: false
 
       - name: Test
         run: |