diff --git a/package.json b/package.json
index d5744f6..2791b18 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "jpeg-js": "^0.3.4",
     "mime": "^2.4.0",
     "pngjs": "^3.3.3",
-    "yargs": "^12.0.5"
+    "yargs": "^13.1.0"
   },
   "devDependencies": {
     "cloc": "^2.4.0",