diff --git a/package.json b/package.json
index 59e0049..aec2677 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "rollup-plugin-commonjs": "^7.0.0",
     "rollup-plugin-node-resolve": "^2.0.0",
     "tape": "^4.4.0",
-    "uglify-js": "^2.7.5",
+    "uglify-js": "^2.8.1",
     "webpack": "^1.14.0",
     "webpack-dev-server": "^2.4.0"
   }