diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index b047338..25085e0 100755
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -39,7 +39,7 @@ jobs:
           make html
 
       - name: Package artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: ${{ github.workspace }}/docs/_build/html
 
@@ -56,4 +56,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0