diff --git a/.gitignore b/.gitignore
index 6ad61a66..555c82cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,7 +43,7 @@ yarn-error.log*
 
 .envrc
 
-examples/cdn/radix-dapp-toolkit.bundle.umd.cjs
+examples/cdn/radix-dapp-toolkit.bundle.umd.js
 
 # Editor directories and files
 .vscode/*
diff --git a/examples/cdn/index.html b/examples/cdn/index.html
index e671f9a8..2530058d 100644
--- a/examples/cdn/index.html
+++ b/examples/cdn/index.html
@@ -15,7 +15,7 @@
     <header><radix-connect-button /></header>
     <div id="app"></div>
 
-    <script src="./radix-dapp-toolkit.bundle.umd.cjs"></script>
+    <script src="./radix-dapp-toolkit.bundle.umd.js"></script>
     <script>
       const rdt = window.RDT.RadixDappToolkit({
         dAppDefinitionAddress:
@@ -25,7 +25,7 @@
         applicationVersion: '1.0.0',
         logger: window.RDT.Logger(1),
       })
-      console.log(rdt);
+      console.log(rdt)
     </script>
   </body>
 </html>
diff --git a/packages/dapp-toolkit/package.json b/packages/dapp-toolkit/package.json
index 96dd1fe4..bc53e3f3 100644
--- a/packages/dapp-toolkit/package.json
+++ b/packages/dapp-toolkit/package.json
@@ -55,7 +55,7 @@
   "scripts": {
     "dev": "tsup --watch",
     "build": "tsup && npm run build:single",
-    "build:single": "vite build --config vite-single-file.config.ts && cp dist/radix-dapp-toolkit.bundle.umd.cjs ../../examples/cdn",
+    "build:single": "vite build --config vite-single-file.config.ts && cp dist/radix-dapp-toolkit.bundle.umd.js ../../examples/cdn",
     "test": "vitest run --coverage",
     "test:watch": "vitest --watch"
   },
diff --git a/packages/dapp-toolkit/vite-single-file.config.ts b/packages/dapp-toolkit/vite-single-file.config.ts
index 2bc7f56f..482efd99 100644
--- a/packages/dapp-toolkit/vite-single-file.config.ts
+++ b/packages/dapp-toolkit/vite-single-file.config.ts
@@ -3,12 +3,20 @@ import { viteSingleFile } from 'vite-plugin-singlefile'
 
 export default defineConfig({
   plugins: [viteSingleFile()],
+
   build: {
     emptyOutDir: false,
+
     lib: {
       entry: 'src/single-file.js',
       name: 'RDT',
       fileName: 'radix-dapp-toolkit.bundle',
+      formats: ['umd'],
+    },
+    rollupOptions: {
+      output: {
+        entryFileNames: `radix-dapp-toolkit.bundle.umd.js`,
+      },
     },
   },
   define: { 'process.env.NODE_ENV': '"production"' },