diff --git a/demo/package.json b/demo/package.json
index 97bfbed..e44c3c7 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -11,18 +11,18 @@
   },
   "devDependencies": {
     "@babel/core": "^7.2.2",
-    "@babel/preset-env": "^7.2.0",
+    "@babel/preset-env": "^7.2.3",
     "babel-loader": "^8.0.4",
     "cross-env": "^5.2.0",
-    "css-loader": "^2.0.1",
-    "file-loader": "^2.0.0",
+    "css-loader": "^2.1.0",
+    "file-loader": "^3.0.1",
     "node-sass": "^4.11.0",
     "sass-loader": "^7.1.0",
-    "uglifyjs-webpack-plugin": "^2.0.1",
+    "uglifyjs-webpack-plugin": "^2.1.1",
     "vue-loader": "^15.4.2",
     "vue-template-compiler": "^2.5.21",
-    "webpack": "^4.27.1",
-    "webpack-cli": "^3.1.2",
-    "webpack-dev-server": "^3.1.10"
+    "webpack": "^4.28.3",
+    "webpack-cli": "^3.2.0",
+    "webpack-dev-server": "^3.1.14"
   }
 }
diff --git a/dist/index.js b/dist/index.js
index 05a7cc4..ce503be 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1,2 +1,2 @@
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diff --git a/package.json b/package.json
index 2639028..8428e82 100644
--- a/package.json
+++ b/package.json
@@ -26,19 +26,19 @@
   ],
   "devDependencies": {
     "@babel/core": "^7.2.2",
-    "@babel/preset-env": "^7.2.0",
+    "@babel/preset-env": "^7.2.3",
     "babel-loader": "^8.0.4",
     "cross-env": "^5.2.0",
-    "css-loader": "^2.0.1",
-    "file-loader": "^2.0.0",
+    "css-loader": "^2.1.0",
+    "file-loader": "^3.0.1",
     "node-sass": "^4.11.0",
     "sass-loader": "^7.1.0",
-    "uglifyjs-webpack-plugin": "^2.0.1",
+    "uglifyjs-webpack-plugin": "^2.1.1",
     "vue": "^2.5.21",
     "vue-loader": "^15.4.2",
     "vue-template-compiler": "^2.5.21",
-    "webpack": "^4.27.1",
-    "webpack-cli": "^3.1.2"
+    "webpack": "^4.28.3",
+    "webpack-cli": "^3.2.0"
   },
   "peerDependencies": {
     "vue": "^2.5.21"
diff --git a/webpack.config.js b/webpack.config.js
index 91cc08a..48e8194 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -43,6 +43,20 @@ module.exports = {
       'vue$': 'vue/dist/vue.esm.js'
     }
   },
+  optimization: {
+    minimizer: [
+      new UglifyJsPlugin({
+        sourceMap: true,
+        parallel: 4,
+        uglifyOptions: {
+          warnings: false,
+          compress: {
+            warnings: false
+          },
+        },
+      })
+    ]
+  },
   devServer: {
     historyApiFallback: true,
     noInfo: true