diff --git a/.github/workflows/ceo-audit.yml b/.github/workflows/ceo-audit.yml
index d70c688..2bcfb43 100644
--- a/.github/workflows/ceo-audit.yml
+++ b/.github/workflows/ceo-audit.yml
@@ -55,7 +55,7 @@ jobs:
           fetch-depth: 0  # full history for regression detection
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: 'pip'