diff --git a/index.html b/index.html
index 3d36804..048e391 100644
--- a/index.html
+++ b/index.html
@@ -17,5 +17,12 @@
   <div class="cv-container">
     <%- include('src/themes/' + theme + '/index', locals) %>
   </div>
+
+  <% if (!isProduction) { %>
+  <!-- import theme ejs to enable HMR -->
+  <script type="module">
+    import './src/themes/<%= theme %>/index.ejs'
+  </script>
+  <% } %>
 </body>
 </html>
diff --git a/vite.config.js b/vite.config.js
index 81d2b61..0a4f25c 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -11,6 +11,7 @@ const outDir = process.env.OUT_DIR || 'dist'
 const cvData = require(dataFilename)
 const data = getRenderData(cvData)
 data.theme = process.env.THEME || 'reorx'
+data.isProduction = process.env.NODE_ENV === 'production'
 
 
 export default defineConfig({