diff --git a/.gitignore b/.gitignore
index 4f2d1cb48b..5d7f11f151 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ src/generators/dom/shared.ts
 package-lock.json
 .idea/
 *.iml
+store.umd.js
\ No newline at end of file
diff --git a/package.json b/package.json
index b3a7b4362f..46b8c29f40 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "ssr",
     "shared.js",
     "store.js",
+    "store.umd.js",
     "README.md"
   ],
   "scripts": {
@@ -18,7 +19,7 @@
     "codecov": "codecov",
     "precodecov": "npm run coverage",
     "lint": "eslint src test/*.js",
-    "build": "node src/shared/_build.js && rollup -c",
+    "build": "node src/shared/_build.js && rollup -c && rollup -c rollup.store.config.js",
     "prepare": "npm run build",
     "dev": "node src/shared/_build.js && rollup -c -w",
     "pretest": "npm run build",
diff --git a/rollup.store.config.js b/rollup.store.config.js
new file mode 100644
index 0000000000..a3e4f395c6
--- /dev/null
+++ b/rollup.store.config.js
@@ -0,0 +1,9 @@
+export default {
+	input: 'store.js',
+	output: {
+		file: 'store.umd.js',
+		format: 'umd',
+		name: 'svelte',
+		extend: true
+	}
+};