diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 316b84e..25b2d02 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,6 +30,10 @@ jobs:
         run: |
           yarn
           yarn build 
+        
+      - name: Copy index.html to 404.html for routing
+        run: |
+          cp dist/index.html dist/404.html
 
       - name: Deploy website
         uses: JamesIves/github-pages-deploy-action@4.1.4
diff --git a/.github/workflows/preview.yaml b/.github/workflows/preview.yaml
index 57e0ea0..c450ecb 100644
--- a/.github/workflows/preview.yaml
+++ b/.github/workflows/preview.yaml
@@ -38,6 +38,10 @@ jobs:
           yarn
           yarn build -- --base /pr-preview/pr-${{ github.event.pull_request.number }}/
 
+      - name: Copy index.html to 404.html for routing
+        run: |
+          cp dist/index.html dist/404.html
+
       - name: Deploy preview
         uses: rossjrw/pr-preview-action@v1
         with: