diff --git a/package.json b/package.json
index 435478ec..6826c35d 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "rollup-plugin-commonjs": "^8.2.6",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-replace": "^2.0.0",
-    "rollup-plugin-uglify": "^2.0.0",
+    "rollup-plugin-uglify": "^3.0.0",
     "sinon": "^4.1.2",
     "style-loader": "0.19.0",
     "url-loader": "0.6.2",