diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index c2d618f..f7fc316 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -1,7 +1,7 @@
 name: Publish
 on:
   workflow_dispatch:
-  pull_request:
+  pull_request_target:
     branches:
     - main
 
diff --git a/requirements.txt b/requirements.txt
index 76ca591..1503748 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,6 @@
+click
+pre-commit
+PyYAML
 Sphinx
+sphinx-book-theme
 sphinx-notfound-page
diff --git a/scripts/site.py b/scripts/site.py
index 11faead..98a7c63 100644
--- a/scripts/site.py
+++ b/scripts/site.py
@@ -24,7 +24,7 @@ def extract_release(releases_dir, url):
     os.remove(file)
 
 def extract_releases(update, site_dir, config):
-    releases_dir = os.path.join(site_dir, 'releases')
+    releases_dir = os.path.join(site_dir, 'versions')
     os.makedirs(releases_dir, exist_ok=update)
     for release in config['releases']:
         if update and os.path.exists(os.path.join(releases_dir, release['name'])):
@@ -64,4 +64,4 @@ def build(update, dir):
     extract_releases(update, dir, config)
 
 if __name__ == '__main__':
-    cli()
\ No newline at end of file
+    cli()
diff --git a/src/404.rst b/src/404.rst
new file mode 100644
index 0000000..142c56c
--- /dev/null
+++ b/src/404.rst
@@ -0,0 +1,13 @@
+==============
+Page Not Found
+==============
+
+We cannot find the page. Please try:
+
+- Starting the navigation from `https://oneapi-spec.uxlfoundation.org`_
+- Clearing your `browser cache`_
+- Filing a `GitHub issue`_
+
+.. _`https://oneapi-spec.uxlfoundation.org`: https://oneapi-spec.uxlfoundation.org
+.. _`browser cache`: https://clear-my-cache.com/
+.. _`GitHub issue`: https://github.com/uxlfoundation/oneapi-spec/issues
diff --git a/src/conf.py b/src/conf.py
index e0f73b8..ca1f222 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -46,8 +46,8 @@
 html_theme = 'sphinx_book_theme'
 
 html_theme_options = {
-    'repository_url': 'https://github.com/uxlfoundation/oneapi-spec',
-    'path_to_docs': 'releases',
+    'repository_url': 'https://github.com/uxlfoundation/oneapi-spec-site',
+    'path_to_docs': 'src',
     'use_issues_button': True,
     'use_edit_page_button': True,
     'repository_branch': 'main',
@@ -56,3 +56,5 @@
 html_sidebars = {
     "**": []
 }
+
+notfound_urls_prefix = ""