diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 8b0a8d0..a08f5e2 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
       - name: pip-audit (block on known advisories)