diff --git a/docs/search.js b/docs/search.js
index 8aa7d4c6455..83615f0ca96 100644
--- a/docs/search.js
+++ b/docs/search.js
@@ -6,6 +6,7 @@ const filemap = require('./source');
 const fs = require('fs');
 const pug = require('pug');
 const mongoose = require('../');
+let { version } = require('../package.json');
 
 const { marked: markdown } = require('marked');
 const highlight = require('highlight.js');
@@ -15,10 +16,14 @@ markdown.setOptions({
   }
 });
 
+// 5.13.5 -> 5.x, 6.8.2 -> 6.x, etc.
+version = version.slice(0, version.indexOf('.')) + '.x';
+
 const contentSchema = new mongoose.Schema({
   title: { type: String, required: true },
   body: { type: String, required: true },
-  url: { type: String, required: true }
+  url: { type: String, required: true },
+  version: { type: String, required: true, default: version }
 });
 contentSchema.index({ title: 'text', body: 'text' });
 const Content = mongoose.model('Content', contentSchema, 'Content');
@@ -28,7 +33,6 @@ const files = Object.keys(filemap);
 
 for (const filename of files) {
   const file = filemap[filename];
-  console.log(file)
   if (file.api) {
     // API docs are special, raw content is in the `docs` property
     for (const _class of file.docs) {
@@ -115,8 +119,11 @@ run().catch(error => console.error(error.stack));
 async function run() {
   await mongoose.connect(config.uri, { dbName: 'mongoose' });
 
-  await Content.deleteMany({});
+  await Content.deleteMany({ version });
   for (const content of contents) {
+    if (version !== '6.x') {
+      content.url = `/docs/${version}/docs/${content.url}`;
+    }
     await content.save();
   }