diff --git a/node/chat/gen-ai-apps/6-custom-tool/package-lock.json b/node/chat/gen-ai-apps/6-custom-tool/package-lock.json
index b75b9373..016fe5ca 100644
--- a/node/chat/gen-ai-apps/6-custom-tool/package-lock.json
+++ b/node/chat/gen-ai-apps/6-custom-tool/package-lock.json
@@ -2110,9 +2110,9 @@
       }
     },
     "node_modules/protobufjs": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.4.tgz",
-      "integrity": "sha512-CvexbZtbov6jW2eXAvLukXjXUW1TzFaivC46BpWc/3BpcCysb5Vffu+B3XHMm8lVEuy2Mm4XGex8hBSg1yapPg==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.5.tgz",
+      "integrity": "sha512-3wY1AxV+VBNW8Yypfd1yQY9pXnqTAN+KwQxL8iYm3/BjKYMNg4i0owhEe26PWDOMaIrzeeF98Lqd5NGz4omiIg==",
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
       "dependencies": {