diff --git a/.github/workflows/guardrails.yml b/.github/workflows/guardrails.yml
index ff741a8..6c4bac6 100644
--- a/.github/workflows/guardrails.yml
+++ b/.github/workflows/guardrails.yml
@@ -13,7 +13,7 @@ jobs:
   corpus:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.13"