diff --git a/site/make_version.sh b/site/make_version.sh
index b29bb5a..ca1fe89 100755
--- a/site/make_version.sh
+++ b/site/make_version.sh
@@ -15,4 +15,9 @@ cp *.md versions/$version/
 sed -i '/## What/,$d' versions/$version/index.md
 echo "## Version $version archive" >> versions/$version/index.md
 git add versions/$version/*.md
+
+sed -i "/const version_names/s#\]\$#, '${version}']#" .vitepress/config.mjs
+git add .vitepress/config.mjs
+
 git commit . -m "Archive documentation for version $version" --no-verify
+