diff --git a/.github/workflows/continuous-deployment.yml b/.github/workflows/continuous-deployment.yml
index 272b6dc..7d20ac8 100644
--- a/.github/workflows/continuous-deployment.yml
+++ b/.github/workflows/continuous-deployment.yml
@@ -37,6 +37,7 @@ jobs:
         run: |
           cd core
           npm install
+          cp input/index.html input/404.html
           npm run build
       - name: Setup Pages
         uses: actions/configure-pages@v3
diff --git a/core b/core
index f64cf6d..3710425 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit f64cf6d6f93dbc0b58dd8d7f9ca8ac54ac2c09ed
+Subproject commit 3710425bb3269f7e4a40e2de4deea02e606a8144