diff --git a/package-lock.json b/package-lock.json
index c59ca00..e87d855 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "cors": "^2.8.5",
         "express": "^5.0.0",
         "mqtt": "^5.14.0",
-        "protobufjs": "^7.5.3"
+        "protobufjs": "^7.5.4"
       },
       "devDependencies": {
         "jest": "^30.0.5",
@@ -5221,9 +5221,9 @@
       "license": "MIT"
     },
     "node_modules/protobufjs": {
-      "version": "7.5.3",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.3.tgz",
-      "integrity": "sha512-sildjKwVqOI2kmFDiXQ6aEB0fjYTafpEvIBs8tOR8qI4spuL9OPROLVu2qZqi/xgCfsHIwVqlaF8JBjWFHnKbw==",
+      "version": "7.5.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.4.tgz",
+      "integrity": "sha512-CvexbZtbov6jW2eXAvLukXjXUW1TzFaivC46BpWc/3BpcCysb5Vffu+B3XHMm8lVEuy2Mm4XGex8hBSg1yapPg==",
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
       "dependencies": {
diff --git a/package.json b/package.json
index f799313..26adae4 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "cors": "^2.8.5",
     "express": "^5.0.0",
     "mqtt": "^5.14.0",
-    "protobufjs": "^7.5.3"
+    "protobufjs": "^7.5.4"
   },
   "devDependencies": {
     "jest": "^30.0.5",