diff --git a/package-lock.json b/package-lock.json
index ee5f8dc..d76e07f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@modelcontextprotocol/sdk": "^1.4.0",
         "ajv": "^8.18.0",
         "hono": "^4.13.0",
-        "js-yaml": "^4.3.0",
+        "js-yaml": "^4.3.1",
         "zod": "^4.3.6"
       },
       "bin": {
@@ -1253,9 +1253,9 @@
       }
     },
     "node_modules/js-yaml": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.0.tgz",
-      "integrity": "sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.1.tgz",
+      "integrity": "sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==",
       "funding": [
         {
           "type": "github",
diff --git a/package.json b/package.json
index c4cabd0..877b2bb 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "@modelcontextprotocol/sdk": "^1.4.0",
     "ajv": "^8.18.0",
     "hono": "^4.13.0",
-    "js-yaml": "^4.3.0",
+    "js-yaml": "^4.3.1",
     "zod": "^4.3.6"
   },
   "devDependencies": {