diff --git a/unit-test-security-rules-v9/package-lock.json b/unit-test-security-rules-v9/package-lock.json
index 0053e8bc..1b2a53d1 100644
--- a/unit-test-security-rules-v9/package-lock.json
+++ b/unit-test-security-rules-v9/package-lock.json
@@ -5560,9 +5560,9 @@
       }
     },
     "node_modules/protobufjs": {
-      "version": "6.11.3",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.3.tgz",
-      "integrity": "sha512-xL96WDdCZYdU7Slin569tFX712BxsxslWwAfAhCYjQKGTq7dAU91Lomy6nLLhh/dyGhk/YH4TwTSRxTzhuHyZg==",
+      "version": "6.11.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.4.tgz",
+      "integrity": "sha512-5kQWPaJHi1WoCpjTGszzQ32PG2F4+wRY6BmAT4Vfw56Q2FZ4YZzK20xUYQH4YkfehY1e6QSICrJquM6xXZNcrw==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {