diff --git a/.gitignore b/.gitignore
index 3c3629e..b7dab5e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 node_modules
+build
\ No newline at end of file
diff --git a/package.json b/package.json
index 1a40d0a..260205f 100644
--- a/package.json
+++ b/package.json
@@ -2,9 +2,11 @@
   "name": "timeliner",
   "version": "1.5.0",
   "description": "simple js animation timeline library",
-  "main": "timeliner.js",
+  "main": "build/index.js",
+  "module": "build/index.es.js",
+  "browser": "build/timeliner.min.js",
   "scripts": {
-    "build": "rollup src/timeliner.js > build/timeliner.js",
+    "build": "rollup -c",
     "mini": "rollup -c rollup.config.js",
     "watch": "watchify src/timeliner.js --full-paths=false -t package-json-versionify --debug -o timeliner.js -v",
     "start": "npm run watch",
@@ -34,9 +36,13 @@
   "devDependencies": {
     "do.js": "^1.0.0",
     "rollup": "^2.10.2",
-    "rollup-plugin-terser": "^5.3.0"
+    "rollup-plugin-terser": "^5.3.0",
+    "package-json-versionify": "^1.0.4"
   },
   "dependencies": {
     "eslint": "^7.0.0"
+  },
+  "publishConfig": {
+    "access": "public"
   }
 }
diff --git a/rollup.config.js b/rollup.config.js
index 22830a0..eda3ffe 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,10 +1,10 @@
-simport { terser } from "rollup-plugin-terser";
+import { terser } from "rollup-plugin-terser";
 
 export default {
 	input: 'src/timeliner.js',
 	output: [
-		{ file: "build/lib.js", format: "cjs" },
+		{ file: "build/index.js", format: "cjs" },
 		{ file: "build/timeliner.min.js", plugins: [terser()] },
-		{ file: "build/timeliner.js", format: "esm" }
+		{ file: "build/index.es.js", format: "esm" }
 	]
 };
\ No newline at end of file