diff --git a/package-lock.json b/package-lock.json
index 8174ab7f23..efcc16302e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9093,9 +9093,9 @@
       }
     },
     "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==",
       "dev": true,
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
@@ -10509,7 +10509,7 @@
       },
       "devDependencies": {
         "avro-js": "^1.12.1",
-        "protobufjs": "^8.4.2",
+        "protobufjs": "^8.5.0",
         "zod": "^4.4.3"
       },
       "peerDependencies": {
diff --git a/packages/kafka/package.json b/packages/kafka/package.json
index 2787e22d60..59d995699d 100644
--- a/packages/kafka/package.json
+++ b/packages/kafka/package.json
@@ -116,7 +116,7 @@
   },
   "devDependencies": {
     "avro-js": "^1.12.1",
-    "protobufjs": "^8.4.2",
+    "protobufjs": "^8.5.0",
     "zod": "^4.4.3"
   }
 }