diff --git a/.github/workflows/terraspace.yml b/.github/workflows/terraspace.yml
index 08e8a1f..995c075 100644
--- a/.github/workflows/terraspace.yml
+++ b/.github/workflows/terraspace.yml
@@ -102,6 +102,10 @@ jobs:
         run: |
           yarn --non-interactive install
 
+      - name: Run Post Deploy Mods setup
+        run: |
+          sh app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/zip_lambda.sh
+
       - name: Plan Cumulus
         if: ${{ !inputs.deploy }}
         run: |
diff --git a/app/stacks/post-deploy-mods/main.tf b/app/stacks/post-deploy-mods/main.tf
index 18f7d42..205bf50 100644
--- a/app/stacks/post-deploy-mods/main.tf
+++ b/app/stacks/post-deploy-mods/main.tf
@@ -6,7 +6,7 @@ resource "aws_lambda_function" "pre_filter_DistApiEndpoints" {
   function_name = "${var.prefix}-pre-filter-DistApiEndpoints"
   filename      = "${path.module}/resources/lambdas/pre-filter-DistributionApiEndpoints/distro/lambda.zip"
   role          = aws_iam_role.lambda_exec_pre_filter_DistApiEndpoints.arn
-  handler       = "index.preFilterDistApiEndpoints"
+  handler       = "lambda_function.lambda_handler" #"index.preFilterDistApiEndpoints"
   runtime       = "python3.10" #local.lambda_runtime
   timeout       = 300
   memory_size   = 3008
@@ -37,6 +37,10 @@ resource "aws_iam_role" "lambda_exec_pre_filter_DistApiEndpoints" {
       },
     ]
   })
+
+  #  lifecycle {
+  #    prevent_destroy = true
+  #  }
 }
 
 # Define an attachment to the aws_iam_role above
@@ -70,6 +74,12 @@ resource "aws_iam_role_policy_attachment" "lambda_invoke_policy_attachment" {
   policy_arn  = aws_iam_policy.lambda_invoke_policy.arn
 }
 
+# Attach an AWS managed Policy for DynamoDB Read Only access
+resource "aws_iam_role_policy_attachment" "dynamodb_readonly_policy" {
+  role        = aws_iam_role.lambda_exec_pre_filter_DistApiEndpoints.name
+  policy_arn  = "arn:aws:iam::aws:policy/AmazonDynamoDBReadOnlyAccess"
+}
+
 # Fetch existing API Gateway
 data "aws_api_gateway_rest_api" "distribution_api" {
   name = "${var.prefix}-distribution" # Example "cumulus-uat-distribution"
@@ -122,3 +132,18 @@ resource "aws_lambda_permission" "api_gateway" {
   principal = "apigateway.amazonaws.com"
   source_arn = "${data.aws_api_gateway_rest_api.distribution_api.execution_arn}/*/*"
 }
+
+# Ensure the API Gateway redeploys after the update
+resource "aws_api_gateway_deployment" "api_deployment" {
+  depends_on = [aws_api_gateway_integration.proxy_lambda_integration]
+
+  rest_api_id = data.aws_api_gateway_rest_api.distribution_api.id
+  stage_name = "dev"  # The existing cumulus deployment for this API Gateway Stage is always called dev (in all environments)
+
+  triggers = {
+    redeployment = sha1(jsonencode({
+      lambda_version = aws_lambda_function.pre_filter_DistApiEndpoints.source_code_hash
+      integration_uri = aws_api_gateway_integration.proxy_lambda_integration.uri
+    }))
+  }
+}
diff --git a/app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/src/lambda_function.py b/app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/src/lambda_function.py
index 24f9ce8..844e8c2 100644
--- a/app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/src/lambda_function.py
+++ b/app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/src/lambda_function.py
@@ -7,6 +7,7 @@
 # To call another lambda, from this lambda
 import boto3
 
+# This Value should represent the Cumulus Prefix: ENV_VAR__CUMULUS_PREFIX
 
 # SETTINGS
 #
diff --git a/scripts/package.json b/scripts/package.json
index cd8c24e..d86acf1 100644
--- a/scripts/package.json
+++ b/scripts/package.json
@@ -10,7 +10,8 @@
     "clean:all": "yarn clean:build && yarn clean:dependencies",
     "generate-test-granule-files": "yarn build && cd .. && node scripts/build/generate-test-granule-files.js",
     "rerun-step-function": "yarn build && cd .. && node scripts/build/rerun-step-function.js",
-    "terraform-doctor": "yarn build && cd .. && node scripts/build/terraform-doctor.js"
+    "terraform-doctor": "yarn build && cd .. && node scripts/build/terraform-doctor.js",
+    "post-deploy-mods": "sh app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/zip_lambda.sh"
   },
   "devDependencies": {
     "@types/uuid": "^9.0.7",
diff --git a/scripts/src/post-deploy-mods.sh b/scripts/src/post-deploy-mods.sh
new file mode 100644
index 0000000..e2881f9
--- /dev/null
+++ b/scripts/src/post-deploy-mods.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+echo ""
+echo "post-deploy-mods.sh: STARTED"
+
+# About to call zip lambdas
+ZIP_LAMBDAS_PATH="app/stacks/post-deploy-mods/resources/lambdas/pre-filter-DistributionApiEndpoints/zip_lambda.sh"
+echo "post-deploy-mods.sh: About to call zip_lambda.sh at path: $ZIP_LAMBDAS_PATH"
+sh "$ZIP_LAMBDAS_PATH"
+
+echo "post-deploy-mods.sh: ENDED"
+echo ""