diff --git a/package.json b/package.json
index 5ff5d76..127a74c 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-commonjs": "^8.0.2",
     "rollup-plugin-node-resolve": "^3.0.0",
-    "rollup-plugin-uglify": "^2.0.0",
+    "rollup-plugin-uglify": "^3.0.0",
     "sinon": "^4.0.0"
   }
 }