diff --git a/package.json b/package.json
index 368a4ec..6395a21 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "scripts": {
     "start": "webpack -w --debug --devtool inline-source-map",
     "build": "NODE_ENV=production webpack --progress --display-error-details",
-    "package": "npm run build && node script/package.js",
+    "package": "npm run build && script/package.sh",
     "lint": "eslint --ext .jsx,.js src",
     "test": "karma start"
   },
diff --git a/script/package.sh b/script/package.sh
new file mode 100755
index 0000000..34535ba
--- /dev/null
+++ b/script/package.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+MANIFEST="manifest.json"
+
+version=$(jq -r '.version' $MANIFEST)
+
+icons=$(jq -r '.icons[]' $MANIFEST)
+content_scripts=$(jq -r '.content_scripts[].js[]' $MANIFEST)
+background_scripts=$(jq -r '.background.scripts[]' $MANIFEST)
+web_accessible_resources=$(jq -r '.web_accessible_resources[]' $MANIFEST)
+options_ui=$(jq -r '.options_ui.page' $MANIFEST)
+options_scripts=""
+for html in $options_ui; do
+  scripts=$(grep -Po "(?<=src=['\"])[^'\"]*" "$html")
+  for js in $scripts; do
+    options_scripts="$options_scripts $(dirname $html)/$js"
+  done
+done
+
+zip ${version}.zip $MANIFEST $icons $content_scripts $background_scripts $web_accessible_resources $options_ui $options_scripts