diff --git a/package-lock.json b/package-lock.json
index 6605c76f..fefdd2c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,6 +39,7 @@
         "react": "^17.0.2",
         "react-dom": "^17.0.2",
         "release-it": "^14.12.5",
+        "rimraf": "^3.0.2",
         "rollup": "^2.70.1",
         "rollup-plugin-livereload": "^2.0.5",
         "rollup-plugin-postcss": "^4.0.2",
diff --git a/package.json b/package.json
index caa50b9e..7505c2f0 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "url": "https://github.com/wbkd/react-flow.git"
   },
   "scripts": {
-    "build": "rollup -c --environment NODE_ENV:production && postcss src/*.css --dir dist",
+    "build": "rimraf dist && rollup -c --environment NODE_ENV:production && postcss src/*.css --dir dist",
     "start": "rollup -w -c",
     "start:examples": "cd example && npm start",
     "build:examples": "cd example && npm run build",
@@ -69,6 +69,7 @@
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "release-it": "^14.12.5",
+    "rimraf": "^3.0.2",
     "rollup": "^2.70.1",
     "rollup-plugin-livereload": "^2.0.5",
     "rollup-plugin-postcss": "^4.0.2",