diff --git a/test/servers/package-lock.json b/test/servers/package-lock.json
index 6fd5712..f3b1279 100644
--- a/test/servers/package-lock.json
+++ b/test/servers/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "long": "^5.3.2",
-        "protobufjs": "~8.4.2"
+        "protobufjs": "~8.5.0"
       },
       "devDependencies": {
         "@types/node": "^25.9.1",
@@ -34,11 +34,10 @@
       "license": "Apache-2.0"
     },
     "node_modules/protobufjs": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.4.2.tgz",
-      "integrity": "sha512-64rfNzkWOZAIazXzpBFPWq6F9up6gMvTzjE2oWIzApx2N/dqVUEE7+bCn2+40780dFVtKOUab8QfxJ6KJDWbqA==",
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.5.0.tgz",
+      "integrity": "sha512-df1jWDPA5VIBNRtuAHjqr09f2qN5D4Vke1wYqOQg1XJ7ZDpA7BD6L7E4tyChgGRLB5hqk2m79Zsy0WHwV9a84A==",
       "hasInstallScript": true,
-      "license": "BSD-3-Clause",
       "dependencies": {
         "long": "^5.3.2"
       },
@@ -84,9 +83,9 @@
       "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA=="
     },
     "protobufjs": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.4.2.tgz",
-      "integrity": "sha512-64rfNzkWOZAIazXzpBFPWq6F9up6gMvTzjE2oWIzApx2N/dqVUEE7+bCn2+40780dFVtKOUab8QfxJ6KJDWbqA==",
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.5.0.tgz",
+      "integrity": "sha512-df1jWDPA5VIBNRtuAHjqr09f2qN5D4Vke1wYqOQg1XJ7ZDpA7BD6L7E4tyChgGRLB5hqk2m79Zsy0WHwV9a84A==",
       "requires": {
         "long": "^5.3.2"
       }
diff --git a/test/servers/package.json b/test/servers/package.json
index 330ee3b..edb7627 100644
--- a/test/servers/package.json
+++ b/test/servers/package.json
@@ -15,6 +15,6 @@
   },
   "dependencies": {
     "long": "^5.3.2",
-    "protobufjs": "~8.4.2"
+    "protobufjs": "~8.5.0"
   }
 }