diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbbf072..28b8894 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   markdown-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
 
       - name: Lint Markdown files
         uses: DavidAnson/markdownlint-cli2-action@v19
@@ -25,7 +25,7 @@ jobs:
   link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
 
       - name: Check for broken links
         uses: lycheeverse/lychee-action@v2