diff --git a/package.json b/package.json
index 644e0d0..05c2443 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "rollup-plugin-node-resolve": "^3.0.0",
     "snazzy": "^6.0.0",
     "standard": "^10.0.0",
-    "uglify-js": "^2.7.4",
+    "uglify-js": "^3.0.0",
     "update-section": "^0.3.3",
     "vue": "^2.0.3",
     "vue-loader": "^11.0.0",