diff --git a/python-test-samples/kinesis-lambda-dynamodb/README.md b/python-test-samples/kinesis-lambda-dynamodb/README.md
index 92665bc7..b79bc481 100644
--- a/python-test-samples/kinesis-lambda-dynamodb/README.md
+++ b/python-test-samples/kinesis-lambda-dynamodb/README.md
@@ -1,5 +1,4 @@
-[![python: 3.9](https://img.shields.io/badge/Python-3.9-green)](https://img.shields.io/badge/Python-3.9-green)
-[![AWS: DynamoDB](https://img.shields.io/badge/AWS-DynamoDB-blueviolet)](https://img.shields.io/badge/AWS-DynamoDB-blueviolet)
+[![python: 3.13](https://img.shields.io/badge/Python-3.13-green)](https://img.shields.io/badge/Python-3.13-green)[![AWS: DynamoDB](https://img.shields.io/badge/AWS-DynamoDB-blueviolet)](https://img.shields.io/badge/AWS-DynamoDB-blueviolet)
 [![AWS: Kinesis](https://img.shields.io/badge/AWS-Kinesis-orange)](https://img.shields.io/badge/AWS-Kinesis-orange)
 [![test: unit](https://img.shields.io/badge/Test-Unit-blue)](https://img.shields.io/badge/Test-Unit-blue)
 [![test: integration](https://img.shields.io/badge/Test-Integration-yellow)](https://img.shields.io/badge/Test-Integration-yellow)
diff --git a/python-test-samples/kinesis-lambda-dynamodb/template.yaml b/python-test-samples/kinesis-lambda-dynamodb/template.yaml
index f4c88de4..4c1127c0 100644
--- a/python-test-samples/kinesis-lambda-dynamodb/template.yaml
+++ b/python-test-samples/kinesis-lambda-dynamodb/template.yaml
@@ -64,7 +64,7 @@ Resources:
     Properties:
       CodeUri: src/
       Handler: app.lambda_handler
-      Runtime: python3.9
+      Runtime: python3.13
       Architectures:
         - x86_64
       Tracing: Active
diff --git a/python-test-samples/kinesis-lambda-dynamodb/tests/unit/mock_test.py b/python-test-samples/kinesis-lambda-dynamodb/tests/unit/mock_test.py
index 0e0213cc..24b9a416 100644
--- a/python-test-samples/kinesis-lambda-dynamodb/tests/unit/mock_test.py
+++ b/python-test-samples/kinesis-lambda-dynamodb/tests/unit/mock_test.py
@@ -13,14 +13,15 @@
 import boto3
 from boto3 import Session
 from boto3.dynamodb.conditions import Key
-import moto
+from moto import mock_aws
 
 # Mock the DynamoDB Service during the test
-@moto.mock_dynamodb
+@mock_aws  # Only use this decorator, remove @moto.mock_dynamodb
 class TestKinesisLambdaWithDynamoDB(TestCase):
     """
     Unit Test class for src/app.py
     """
+    
     def setUp(self) -> None:
         """
         Test Set up:
@@ -35,7 +36,7 @@ def setUp(self) -> None:
         os.environ["DYNAMODB_TABLE_NAME"] = self.test_ddb_table_name
         sam_template_table = self.read_sam_template()["Resources"]["DynamoDBTable"]
         sam_template_table_properties = sam_template_table["Properties"]
-        self.mock_dynamodb = boto3.Session(region_name="us-east-1").resource("dynamodb")
+        self.mock_dynamodb = boto3.Session.resource("dynamodb")
         self.mock_dynamodb_table = self.mock_dynamodb.create_table(
             TableName = self.test_ddb_table_name,
             KeySchema = sam_template_table_properties["KeySchema"],
@@ -47,7 +48,6 @@ def tearDown(self) -> None:
         """
         For teardown, remove the environment variable
         """
-        
         del os.environ['DYNAMODB_TABLE_NAME']
 
     def read_sam_template(self, sam_template_fn : str = "template.yaml" ) -> dict:
@@ -64,7 +64,6 @@ def load_test_event(self, test_event_file_name: str) ->  Dict[str, Any]:
         Add the test isolation postfix to the path parameter {id}
         """
         try:
-            
             with open(f"tests/events/{test_event_file_name}.json","r") as file_name:
                 event = json.load(file_name)
                 return event