diff --git a/.github/workflows/dev-jekyll-deploy.yml b/.github/workflows/dev-jekyll-deploy.yml
index 21a739aa..97b815bc 100644
--- a/.github/workflows/dev-jekyll-deploy.yml
+++ b/.github/workflows/dev-jekyll-deploy.yml
@@ -34,7 +34,7 @@ jobs:
         env:
           JEKYLL_ENV: production
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: blog
           path: _site
diff --git a/.github/workflows/prd-jekyll-deploy.yml b/.github/workflows/prd-jekyll-deploy.yml
index c8ff1478..da859778 100644
--- a/.github/workflows/prd-jekyll-deploy.yml
+++ b/.github/workflows/prd-jekyll-deploy.yml
@@ -37,7 +37,7 @@ jobs:
         env:
           JEKYLL_ENV: production
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: blog
           path: _site