diff --git a/package.json b/package.json
index 7c37be56..c9876287 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
   },
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
+  "umd": "dist/index.umd.js",
   "types": "dist/types/src/patchmap.d.ts",
   "scripts": {
     "build": "tsc && rollup -c",
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 08cad029..b0834b5a 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -11,12 +11,18 @@ export default [
       {
         file: pkg.main,
         format: 'cjs',
-        exportess: 'named',
+        exports: 'named',
       },
       {
         file: pkg.module,
         format: 'esm',
       },
+      {
+        file: pkg.umd,
+        format: 'umd',
+        name: 'Patchmap',
+        inlineDynamicImports: true,
+      },
     ],
     plugins: [
       resolve(),