diff --git a/lambda-eventbridge-terraform/.gitignore b/lambda-eventbridge-terraform/.gitignore
new file mode 100644
index 000000000..fb7595fad
--- /dev/null
+++ b/lambda-eventbridge-terraform/.gitignore
@@ -0,0 +1 @@
+lambda.zip
diff --git a/lambda-eventbridge-terraform/main.tf b/lambda-eventbridge-terraform/main.tf
index 9f9c82ad2..62a30e640 100644
--- a/lambda-eventbridge-terraform/main.tf
+++ b/lambda-eventbridge-terraform/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 4.22"
+      version = "~> 5.0"
     }
   }
 
@@ -29,7 +29,7 @@ resource "aws_lambda_function" "publisher_function" {
   source_code_hash = data.archive_file.lambda_zip_file.output_base64sha256
   handler          = "app.handler"
   role             = aws_iam_role.iam_for_lambda.arn
-  runtime          = "nodejs16.x"
+  runtime          = "nodejs22.x"
 }
 
 data "archive_file" "lambda_zip_file" {
@@ -43,11 +43,7 @@ data "aws_iam_policy" "lambda_basic_execution_role_policy" {
 }
 
 resource "aws_iam_role" "iam_for_lambda" {
-  name_prefix         = "PublisherFunctionRole-"
-  managed_policy_arns = [
-    data.aws_iam_policy.lambda_basic_execution_role_policy.arn,
-    aws_iam_policy.event_bridge_put_events_policy.arn
-  ]
+  name_prefix = "PublisherFunctionRole-"
 
   assume_role_policy = <<EOF
 {
@@ -66,6 +62,16 @@ resource "aws_iam_role" "iam_for_lambda" {
 EOF
 }
 
+resource "aws_iam_role_policy_attachment" "lambda_basic_execution" {
+  role       = aws_iam_role.iam_for_lambda.name
+  policy_arn = data.aws_iam_policy.lambda_basic_execution_role_policy.arn
+}
+
+resource "aws_iam_role_policy_attachment" "lambda_eventbridge" {
+  role       = aws_iam_role.iam_for_lambda.name
+  policy_arn = aws_iam_policy.event_bridge_put_events_policy.arn
+}
+
 data "aws_iam_policy_document" "event_bridge_put_events_policy_document" {
   statement {
   
diff --git a/lambda-eventbridge-terraform/src/app.js b/lambda-eventbridge-terraform/src/app.js
index bf4c2e689..ab9097b5d 100644
--- a/lambda-eventbridge-terraform/src/app.js
+++ b/lambda-eventbridge-terraform/src/app.js
@@ -4,9 +4,8 @@
 
 'use strict'
 
-const AWS = require('aws-sdk')
-AWS.config.update({ region: process.env.AWS_REGION })
-const eventbridge = new AWS.EventBridge()
+const { EventBridgeClient, PutEventsCommand } = require('@aws-sdk/client-eventbridge')
+const eventbridge = new EventBridgeClient({ region: process.env.AWS_REGION })
 
 exports.handler = async (event) => {
   const params = {
@@ -23,7 +22,8 @@ exports.handler = async (event) => {
       }
     ]
   }
+
   // Publish to EventBridge
-  const result = await eventbridge.putEvents(params).promise()
+  const result = await eventbridge.send(new PutEventsCommand(params))
   console.log(result)
-}
\ No newline at end of file
+}