diff --git a/.github/workflows/ci-deploy.yml b/.github/workflows/ci-deploy.yml
index 4f204cf..b904b19 100644
--- a/.github/workflows/ci-deploy.yml
+++ b/.github/workflows/ci-deploy.yml
@@ -70,7 +70,7 @@ jobs:
         uses: actions/configure-pages@v5
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: "book" # The default mdbook output folder