diff --git a/package.json b/package.json
index 05a6e09..317946a 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "author": "Narazaka",
   "main": "index.js",
   "dependencies": {
-    "js-yaml": "^3.4.3"
+    "js-yaml": "^4.1.1"
   },
   "devDependencies": {
     "bower": "^1.6.5",