diff --git a/package.json b/package.json
index 1d38f59..a388a04 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,7 @@
     "tsickle": "^0.33.0",
     "tslint": "~5.11.0",
     "typescript": "~3.2.4",
-    "yargs": "12.0.1",
+    "yargs": "15.3.0",
     "zone.js": "^0.8.26"
   },
   "engines": {