diff --git a/.github/workflows/classify-issue-severity.yml b/.github/workflows/classify-issue-severity.yml
index 649988d20392d..6ad256d7546c7 100644
--- a/.github/workflows/classify-issue-severity.yml
+++ b/.github/workflows/classify-issue-severity.yml
@@ -21,6 +21,11 @@ jobs:
       result: ${{ steps.analysis.outputs.result }}
 
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
       - name: Analyze Issue Severity
         id: analysis
         uses: anthropics/claude-code-action@f0c8eb29807907de7f5412d04afceb5e24817127 # v1.0.23