diff --git a/.github/workflows/deploy-api-docs.yml b/.github/workflows/deploy-api-docs.yml
index 03b37e800..c5f95dca9 100644
--- a/.github/workflows/deploy-api-docs.yml
+++ b/.github/workflows/deploy-api-docs.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - name: Upload artifact