diff --git a/package.json b/package.json
index 532e057b..de1b329d 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "escape-html": "^1.0.1",
     "express": "^4.14.1",
     "glob": "^7.1.0",
-    "js-yaml": "^3.6.1",
+    "js-yaml": "^4.1.1",
     "lodash": "^4.16.1",
     "mime-types": "^2.1.13",
     "minimatch": "^3.0.3",