diff --git a/package.json b/package.json
index ab0b87e3..c35ca597 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "dependencies": {
     "source-map": "~0.5.1",
     "uglify-to-browserify": "~1.0.0",
-    "yargs": "~3.10.0"
+    "yargs": "~6.0.0"
   },
   "devDependencies": {
     "acorn": "~0.6.0",