diff --git a/package-lock.json b/package-lock.json
index 1535882..9fdcbe1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "cors": "^2.8.5",
         "express": "^5.0.0",
         "mqtt": "^5.13.2",
-        "protobufjs": "^7.2.6"
+        "protobufjs": "^7.5.3"
       },
       "devDependencies": {
         "jest": "^29.7.0",
@@ -4241,10 +4241,11 @@
       }
     },
     "node_modules/protobufjs": {
-      "version": "7.3.2",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.3.2.tgz",
-      "integrity": "sha512-RXyHaACeqXeqAKGLDl68rQKbmObRsTIn4TYVUUug1KfS47YWCo5MacGITEryugIgZqORCvJWEk4l449POg5Txg==",
+      "version": "7.5.3",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.3.tgz",
+      "integrity": "sha512-sildjKwVqOI2kmFDiXQ6aEB0fjYTafpEvIBs8tOR8qI4spuL9OPROLVu2qZqi/xgCfsHIwVqlaF8JBjWFHnKbw==",
       "hasInstallScript": true,
+      "license": "BSD-3-Clause",
       "dependencies": {
         "@protobufjs/aspromise": "^1.1.2",
         "@protobufjs/base64": "^1.1.2",
diff --git a/package.json b/package.json
index df2a949..01dae86 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "cors": "^2.8.5",
     "express": "^5.0.0",
     "mqtt": "^5.13.2",
-    "protobufjs": "^7.2.6"
+    "protobufjs": "^7.5.3"
   },
   "devDependencies": {
     "jest": "^29.7.0",