diff --git a/versionbuilder.js b/versionbuilder.js
new file mode 100644
index 00000000..0a8b9468
--- /dev/null
+++ b/versionbuilder.js
@@ -0,0 +1,5 @@
+const fs = require('fs');
+const package = JSON.parse(fs.readFileSync(`./package.json`, { encoding: 'utf-8' }));
+const original = fs.readFileSync(`./public/index.html`, { encoding: 'utf-8' });
+let out = original.replace(/RELEASE_INFO-(\S)+-RELEASE_INFO/gi, 'RELEASE_INFO-' + package.version + '-RELEASE_INFO');
+fs.writeFileSync(`./public/index.html`, out);