diff --git a/jacsnpm/package-lock.json b/jacsnpm/package-lock.json
index d4e56a30..234845a1 100644
--- a/jacsnpm/package-lock.json
+++ b/jacsnpm/package-lock.json
@@ -19,6 +19,7 @@
       "devDependencies": {
         "@modelcontextprotocol/sdk": "^1.26.0",
         "@types/node": "^22.15",
+        "ajv": "^8.17.1",
         "chai": "^6.2.2",
         "mocha": "^11.7.5",
         "sinon": "^21.0.1",
@@ -226,9 +227,9 @@
       }
     },
     "node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
-      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
+      "version": "8.18.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.18.0.tgz",
+      "integrity": "sha512-PlXPeEWMXMZ7sPYOHqmDyCJzcfNrUr3fGNKtezX14ykXOEIvyK81d+qydx89KY5O71FKMPaQ2vBfBFI5NHR63A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {