diff --git a/packages/node/package.json b/packages/node/package.json
index 8c54e80d..fd23dd64 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -36,7 +36,7 @@
     "@subql/types-cosmos": "workspace:*",
     "bitcoinjs-lib": "^6.0.0",
     "lodash": "^4.17.21",
-    "protobufjs": "^6.11.4",
+    "protobufjs": "^7.5.5",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
     "yargs": "^16.2.0"
diff --git a/yarn.lock b/yarn.lock
index c0e1a783..ea3a91b2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4314,7 +4314,7 @@ __metadata:
     dotenv: "npm:^15.0.1"
     lodash: "npm:^4.17.21"
     nodemon: "npm:^2.0.15"
-    protobufjs: "npm:^6.11.4"
+    protobufjs: "npm:^7.5.5"
     reflect-metadata: "npm:^0.1.13"
     rimraf: "npm:^3.0.2"
     ts-proto: "npm:^2.7.5"
@@ -12751,7 +12751,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"protobufjs@npm:^6.11.2, protobufjs@npm:^6.11.4, protobufjs@npm:^6.8.8":
+"protobufjs@npm:^6.11.2, protobufjs@npm:^6.8.8":
   version: 6.11.4
   resolution: "protobufjs@npm:6.11.4"
   dependencies:
@@ -12795,6 +12795,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"protobufjs@npm:^7.5.5":
+  version: 7.5.5
+  resolution: "protobufjs@npm:7.5.5"
+  dependencies:
+    "@protobufjs/aspromise": "npm:^1.1.2"
+    "@protobufjs/base64": "npm:^1.1.2"
+    "@protobufjs/codegen": "npm:^2.0.4"
+    "@protobufjs/eventemitter": "npm:^1.1.0"
+    "@protobufjs/fetch": "npm:^1.1.0"
+    "@protobufjs/float": "npm:^1.0.2"
+    "@protobufjs/inquire": "npm:^1.1.0"
+    "@protobufjs/path": "npm:^1.1.2"
+    "@protobufjs/pool": "npm:^1.1.0"
+    "@protobufjs/utf8": "npm:^1.1.0"
+    "@types/node": "npm:>=13.7.0"
+    long: "npm:^5.0.0"
+  checksum: 10/048898023a38d22f5fc9a1bcf0dcce5cfbcd37fb00753bd72283720eee7e2cb6055b23957542e5bcdc136379af66203a2ddb8d8c39d11f73169bacf07885fedd
+  languageName: node
+  linkType: hard
+
 "protocols@npm:^1.4.0":
   version: 1.4.8
   resolution: "protocols@npm:1.4.8"