diff --git a/src/express/commands/start.js b/src/express/commands/start.js
index 210b3e30..a9c93d27 100644
--- a/src/express/commands/start.js
+++ b/src/express/commands/start.js
@@ -151,6 +151,11 @@ async function installCommonPackages(ip) {
   console.log('📍Installing rabbitmq...')
   command = 'sudo apt install rabbitmq-server -y'
   await runSshCommand(ip, command, maxRetries)
+
+  console.log('📍Installing grpcurl...')
+  command =
+    'curl -sSL "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.7/grpcurl_1.8.7_linux_x86_64.tar.gz" | sudo tar -xz -C /usr/local/bin'
+  await runSshCommand(ip, command, maxRetries)
 }
 
 async function installHostSpecificPackages(ip) {
diff --git a/src/setup/devnet/index.js b/src/setup/devnet/index.js
index cc8f8bbd..02f507f7 100644
--- a/src/setup/devnet/index.js
+++ b/src/setup/devnet/index.js
@@ -93,7 +93,7 @@ export class Devnet {
     return path.join(this.heimdallDir(index), 'config', 'genesis.json')
   }
 
-  heimdallHeimdallConfigFilePath(index) {
+  heimdallAppConfigFilePath(index) {
     return path.join(this.heimdallDir(index), 'config', 'heimdall-config.toml')
   }
 
@@ -251,7 +251,7 @@ export class Devnet {
         task: async () => {
           // set heimdall
           for (let i = 0; i < this.totalBorNodes; i++) {
-            fileReplacer(this.heimdallHeimdallConfigFilePath(i))
+            fileReplacer(this.heimdallAppConfigFilePath(i))
               .replace(
                 /eth_rpc_url[ ]*=[ ]*".*"/gi,
                 `eth_rpc_url = "${this.config.ethURL}"`
@@ -260,6 +260,14 @@ export class Devnet {
                 /bor_rpc_url[ ]*=[ ]*".*"/gi,
                 `bor_rpc_url = "http://bor${i}:8545"`
               )
+              .replace(
+                /bor_grpc_flag[ ]*=[ ]*".*"/gi,
+                'bor_grpc_flag = "true"'
+              )
+              .replace(
+                /bor_grpc_url[ ]*=[ ]*".*"/gi,
+                'bor_grpc_url = "localhost:3131"'
+              )
               .replace(
                 /amqp_url[ ]*=[ ]*".*"/gi,
                 `amqp_url = "amqp://guest:guest@rabbit${i}:5672/"`
@@ -363,7 +371,7 @@ export class Devnet {
         task: async () => {
           // set heimdall
           for (let i = 0; i < this.totalNodes; i++) {
-            fileReplacer(this.heimdallHeimdallConfigFilePath(i))
+            fileReplacer(this.heimdallAppConfigFilePath(i))
               .replace(
                 /eth_rpc_url[ ]*=[ ]*".*"/gi,
                 `eth_rpc_url = "${this.config.ethURL}"`
@@ -372,6 +380,14 @@ export class Devnet {
                 /bor_rpc_url[ ]*=[ ]*".*"/gi,
                 'bor_rpc_url = "http://localhost:8545"'
               )
+              .replace(
+                /bor_grpc_flag[ ]*=[ ]*".*"/gi,
+                'bor_grpc_flag = "true"'
+              )
+              .replace(
+                /bor_grpc_url[ ]*=[ ]*".*"/gi,
+                'bor_grpc_url = "localhost:3131"'
+              )
               .replace(
                 /amqp_url[ ]*=[ ]*".*"/gi,
                 'amqp_url = "amqp://guest:guest@localhost:5672/"'
diff --git a/src/setup/heimdall/index.js b/src/setup/heimdall/index.js
index 478d7d91..81adc47c 100644
--- a/src/setup/heimdall/index.js
+++ b/src/setup/heimdall/index.js
@@ -83,7 +83,7 @@ export class Heimdall {
     return path.join(this.heimdallConfigDir, 'genesis.json')
   }
 
-  get heimdallHeimdallConfigFilePath() {
+  get heimdallAppConfigFilePath() {
     return path.join(this.heimdallConfigDir, 'heimdall-config.toml')
   }
 
@@ -304,7 +304,7 @@ export class Heimdall {
         {
           title: 'Process heimdall config file',
           task: () => {
-            fileReplacer(this.heimdallHeimdallConfigFilePath)
+            fileReplacer(this.heimdallAppConfigFilePath)
               .replace(
                 /eth_rpc_url[ ]*=[ ]*".*"/gi,
                 'eth_rpc_url = "http://localhost:9545"'
@@ -313,6 +313,11 @@ export class Heimdall {
                 /bor_rpc_url[ ]*=[ ]*".*"/gi,
                 'bor_rpc_url = "http://localhost:8545"'
               )
+              .replace(/bor_grpc_flag[ ]*=[ ]*".*"/gi, 'bor_grpc_flag = "true"')
+              .replace(
+                /bor_grpc_url[ ]*=[ ]*".*"/gi,
+                'bor_grpc_url = "localhost:3131"'
+              )
               .save()
           }
         },