diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index eb929ec..748a77c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: gautamkrishnar/keepalive-workflow@v1
 
@@ -34,13 +34,13 @@ jobs:
 
       - name: Set up Python 3.10
         id: setup-python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"
 
       - name: Start LocalStack
         env:
-          LOCALSTACK_API_KEY: ${{ secrets.LOCALSTACK_API_KEY }}
+          LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
         run: |
           pip install localstack==3.2.0 awscli-local[ver1]
           pip install terraform-local
@@ -101,17 +101,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python 3.10
         id: setup-python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"
 
       - name: Start LocalStack
         env:
-          LOCALSTACK_API_KEY: ${{ secrets.LOCALSTACK_API_KEY }}
+          LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
           DNS_ADDRESS: 0
         run: |
           pip install localstack awscli-local[ver1]
diff --git a/Makefile b/Makefile
index dd06081..35a3e72 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,8 @@ run:                  ## Run the sample app
 			echo $$URL
 
 start:                ## Start LocalStack in detached mode
-		EXTRA_CORS_ALLOWED_ORIGINS=http://sample-app.s3.localhost.localstack.cloud:4566 DISABLE_CUSTOM_CORS_APIGATEWAY=1 localstack start -d
+		@test -n "${LOCALSTACK_AUTH_TOKEN}" || (echo "LOCALSTACK_AUTH_TOKEN is not set. Find your token at https://app.localstack.cloud/workspace/auth-token"; exit 1)
+		@LOCALSTACK_AUTH_TOKEN=$(LOCALSTACK_AUTH_TOKEN) EXTRA_CORS_ALLOWED_ORIGINS=http://sample-app.s3.localhost.localstack.cloud:4566 DISABLE_CUSTOM_CORS_APIGATEWAY=1 localstack start -d
 
 stop:                 ## Stop the running LocalStack container
 		@echo
diff --git a/README.md b/README.md
index 7149e79..4b8c5a5 100644
--- a/README.md
+++ b/README.md
@@ -31,12 +31,13 @@ We are using the following AWS services and their features to build our infrastr
 
 ## Prerequisites
 
-- LocalStack Pro with the [`localstack` CLI](https://docs.localstack.cloud/getting-started/installation/#localstack-cli).
+- LocalStack with the [`localstack` CLI](https://docs.localstack.cloud/getting-started/installation/#localstack-cli).
 - [AWS CLI](https://docs.localstack.cloud/user-guide/integrations/aws-cli/) with the [`awslocal` wrapper](https://docs.localstack.cloud/user-guide/integrations/aws-cli/#localstack-aws-cli-awslocal).
 - [Terraform](https://docs.localstack.cloud/user-guide/integrations/terraform/) with the [`tflocal` wrapper](https://docs.localstack.cloud/user-guide/integrations/terraform/#using-the-tflocal-script).
 - [Node.js](https://nodejs.org/en/download/) with `npm` package manager.
+- A valid [LocalStack for AWS license](https://localstack.cloud/pricing). Your license provides a [`LOCALSTACK_AUTH_TOKEN`](https://docs.localstack.cloud/getting-started/auth-token/) to activate LocalStack.
 
-Start LocalStack Pro with the appropriate configuration to enable the S3 website to send requests to the container APIs:
+Start LocalStack with the appropriate configuration to enable the S3 website to send requests to the container APIs:
 
 ```shell
 export LOCALSTACK_AUTH_TOKEN=<your-auth-token>