diff --git a/requirements.txt b/requirements.txt
index 9b58f6e55..1ceb4ffee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
-astroid~=2.4.2
-botocore==1.17.63
-boto3==1.14.63
-isort==5.6.4
+astroid~=2.5.6
+botocore==1.20.74
+boto3==1.17.74
+isort==5.8.0
 mock~=4.0.3
-pylint~=2.6.0
-pytest~=6.2.1
-pyyaml>=5.3
-schema~=0.7.2
-tox==3.20.1
+pylint~=2.8.2
+pytest~=6.2.4
+pyyaml>=5.4.1
+schema~=0.7.4
+tox==3.23.1
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/global.yml b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/global.yml
index 3c2802b31..9604c452a 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/global.yml
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/global.yml
@@ -672,7 +672,7 @@ Resources:
                 nodejs: 12
             pre_build:
               commands:
-                - npm install cdk@1.88 -g -y --quiet --no-progress
+                - npm install cdk@1.105 -g -y --quiet --no-progress
                 - aws s3 cp s3://$SHARED_MODULES_BUCKET/adf-build/ ./adf-build/ --recursive --quiet
                 - pip install -r adf-build/requirements.txt -q -t ./adf-build
             build:
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/initial_commit/requirements.txt b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/initial_commit/requirements.txt
index 539a18003..d531222c0 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/initial_commit/requirements.txt
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/initial_commit/requirements.txt
@@ -1,3 +1,3 @@
 Jinja2~=2.11.3
-boto3==1.14.63
+boto3==1.17.74
 cfn-custom-resource~=1.0.1
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/slack.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/slack.py
index 0241d6a7e..ad0f90a97 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/slack.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-bootstrap/deployment/lambda_codebase/slack.py
@@ -133,7 +133,8 @@ def send_message(url, payload):
         data=params,
         headers={'content-type': 'application/json'}
     )
-    return urllib.request.urlopen(req)
+    with urllib.request.urlopen(req) as response:
+        return response.read()
 
 def lambda_handler(event, _):
     message = extract_message(event)
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/organization_policy.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/organization_policy.py
index 51c778b56..7748675bd 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/organization_policy.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/organization_policy.py
@@ -161,6 +161,11 @@ def apply(self, organizations, parameter_store, config):  # pylint: disable=R091
                         path)
                     organizations.attach_policy(
                         policy_id, organization_mapping[path])
+                except organizations.client.exceptions.DuplicatePolicyAttachmentException:
+                    LOGGER.info(
+                        'Policy (%s) for %s exists and is attached already.',
+                        policy,
+                        organization_mapping[path])
                 except organizations.client.exceptions.DuplicatePolicyException:
                     LOGGER.info(
                         'Policy (%s) for %s exists ensuring attached.',
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/requirements.txt b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/requirements.txt
index e51f256d0..c9c6cd3a3 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/requirements.txt
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/requirements.txt
@@ -1,15 +1,14 @@
 # Install libs here that you might want in AWS CodeBuild (On Master Account)
-astroid~=2.4.2
-aws-sam-cli==1.15.0
-awscli==1.18.140
-boto3==1.14.63
-botocore==1.17.63
-jsii<1.20.0,>=1.16.0
+astroid~=2.5.6
+aws-sam-cli==1.23.0
+awscli==1.19.74
+boto3==1.17.74
+botocore==1.20.74
 mock~=4.0.3
-pip~=20.2.3
-pylint~=2.6.0
-pytest~=6.2.1
-pyyaml>=5.3
-six~=1.15.0
+pip~=21.1.1
+pylint~=2.8.2
+pytest~=6.2.4
+pyyaml>=5.4.1
+six~=1.16.0
 tenacity==6.3.0
 urllib3~=1.25.11
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_stacks/main.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_stacks/main.py
index 1b72584d2..a91d82305 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_stacks/main.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/cdk/cdk_stacks/main.py
@@ -7,7 +7,6 @@
 from aws_cdk import (
     core
 )
-from cdk_constructs import adf_notifications
 from logger import configure_logger
 
 from cdk_stacks.adf_default_pipeline import generate_adf_default_pipeline as generate_default_pipeline, PIPELINE_TYPE as DEFAULT_PIPELINE
@@ -21,9 +20,6 @@ def __init__(self, scope: core.Construct, stack_input: dict, **kwargs) -> None:
         LOGGER.info('Pipeline creation/update of %s commenced', stack_input['input']['name'])
         _pipeline_type = stack_input['input'].get('params', {}).get('type', DEFAULT_PIPELINE).lower()
 
-        if stack_input['input'].get('params', {}).get('notification_endpoint'):
-            stack_input['input']["topic_arn"] = adf_notifications.Notifications(self, 'adf_notifications', stack_input['input']).topic_arn
-
         self.generate_pipeline(_pipeline_type, stack_input)
 
     def generate_pipeline(self, _pipeline_type, stack_input):
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/generate_params.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/generate_params.py
index 7d6272037..319d9084c 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/generate_params.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/generate_params.py
@@ -113,6 +113,7 @@ def _parse(filename):
                     return yaml.load(file, Loader=yaml.FullLoader)
             except yaml.scanner.ScannerError:
                 LOGGER.exception('Invalid Yaml for %s.yml', filename)
+                raise
             except FileNotFoundError:
                 return {'Parameters': {}, 'Tags': {}}
 
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/helpers/requirements.txt b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/helpers/requirements.txt
index 48f550d15..b745a5d63 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/helpers/requirements.txt
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/helpers/requirements.txt
@@ -1,3 +1,3 @@
-boto3==1.14.63
-botocore==1.17.63
+botocore==1.20.74
+boto3==1.17.74
 docopt~=0.6.2
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/cloudformation.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/cloudformation.py
index 0b2d389f8..d5912aba7 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/cloudformation.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/cloudformation.py
@@ -224,7 +224,7 @@ def _change_set_failed_due_to_empty(status, reason):
 
     def _update_stack_termination_protection(self):
         try:
-            return self.client.update_termination_protection(
+            self.client.update_termination_protection(
                 EnableTerminationProtection=STACK_TERMINATION_PROTECTION == "True",
                 StackName=self.stack_name
             )
@@ -232,19 +232,17 @@ def _update_stack_termination_protection(self):
             LOGGER.error(
                 '%s | %s, Error: %s',
                 self.account_id, self.stack_name, e)
-            pass
 
     def _delete_change_set(self):
         try:
-            return self.client.delete_change_set(
+            self.client.delete_change_set(
                 ChangeSetName=self.stack_name,
                 StackName=self.stack_name
             )
-        except ClientError as e:
+        except ClientError as client_error:
             LOGGER.info(
                 '%s | %s, Error: %s',
-                self.account_id, self.stack_name, e)
-            pass
+                self.account_id, self.stack_name, client_error)
 
     def _execute_change_set(self, waiter):
         LOGGER.info(
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/organizations.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/organizations.py
index 6a6daf4ce..17aab3219 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/organizations.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/organizations.py
@@ -71,16 +71,19 @@ def update_policy(self, content, policy_id):
         )
 
     def create_policy(self, content, ou_path, policy_type="SERVICE_CONTROL_POLICY"):
-        try:
-            response = self.client.create_policy(
-                Content=content,
-                Description='ADF Managed {0}'.format(policy_type),
-                Name='adf-{0}-{1}'.format('scp' if policy_type == "SERVICE_CONTROL_POLICY" else 'tagging-policy', ou_path),
-                Type=policy_type
-            )
-            return response['Policy']['PolicySummary']['Id']
-        except self.client.exceptions.DuplicatePolicyAttachmentException:
-            pass
+        response = self.client.create_policy(
+            Content=content,
+            Description='ADF Managed {0}'.format(policy_type),
+            Name='adf-{0}-{1}'.format(
+                (
+                    'scp' if policy_type == "SERVICE_CONTROL_POLICY"
+                    else 'tagging-policy'
+                ),
+                ou_path,
+            ),
+            Type=policy_type
+        )
+        return response['Policy']['PolicySummary']['Id']
 
     @staticmethod
     def get_policy_body(path):
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/parameter_store.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/parameter_store.py
index fc80d067b..d1b98c985 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/parameter_store.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/parameter_store.py
@@ -45,12 +45,11 @@ def put_parameter(self, name, value, tier='Standard'):
     def delete_parameter(self, name):
         try:
             LOGGER.debug('Deleting Parameter %s', name)
-            return self.client.delete_parameter(
+            self.client.delete_parameter(
                 Name=name
             )
         except self.client.exceptions.ParameterNotFound:
             LOGGER.debug('Attempted to delete Parameter %s but it was not found', name)
-            pass
 
     def fetch_parameters_by_path(self, path):
         """Gets a Parameter(s) by Path from Parameter Store (Recursively)
diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/requirements.txt b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/requirements.txt
index bc55bccf5..69707551d 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/requirements.txt
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/requirements.txt
@@ -1,60 +1,59 @@
 # Install libs here that you might want in AWS CodeBuild
-aws-cdk-assets==1.88
-aws-cdk.aws-apigateway==1.88
-aws-cdk.aws-applicationautoscaling==1.88
-aws-cdk.aws-autoscaling==1.88
-aws-cdk.aws-autoscaling_common==1.88
-aws-cdk.aws-autoscaling_hooktargets==1.88
-aws-cdk.aws-certificatemanager==1.88
-aws-cdk.aws-cloudformation==1.88
-aws-cdk.aws-cloudfront==1.88
-aws-cdk.aws-cloudwatch==1.88
-aws-cdk.aws-codebuild==1.88
-aws-cdk.aws-codecommit==1.88
-aws-cdk.aws-codedeploy==1.88
-aws-cdk.aws-codepipeline-actions==1.88
-aws-cdk.aws-codepipeline==1.88
-aws-cdk.aws-dynamodb==1.88
-aws-cdk.aws-ec2==1.88
-aws-cdk.aws-ecr==1.88
-aws-cdk.aws-ecr==1.88
-aws-cdk.aws-ecr_assets==1.88
-aws-cdk.aws-ecs==1.88
-aws-cdk.aws-elasticloadbalancing==1.88
-aws-cdk.aws-elasticloadbalancingv2==1.88
-aws-cdk.aws-events==1.88
-aws-cdk.aws-events_targets==1.88
-aws-cdk.aws-iam==1.88
-aws-cdk.aws-kinesis==1.88
-aws-cdk.aws-kms==1.88
-aws-cdk.aws-lambda==1.88
-aws-cdk.aws-lambda_event_sources==1.88
-aws-cdk.aws-logs==1.88
-aws-cdk.aws-route53==1.88
-aws-cdk.aws-route53_targets==1.88
-aws-cdk.aws-s3==1.88
-aws-cdk.aws-s3_assets==1.88
-aws-cdk.aws-s3_assets==1.88
-aws-cdk.aws-s3_notifications==1.88
-aws-cdk.aws-sam==1.88
-aws-cdk.aws-secretsmanager==1.88
-aws-cdk.aws-servicediscovery==1.88
-aws-cdk.aws-sns==1.88
-aws-cdk.aws-sns==1.88
-aws-cdk.aws-sns_subscriptions==1.88
-aws-cdk.aws-sqs==1.88
-aws-cdk.aws-ssm==1.88
-aws-cdk.aws-stepfunctions==1.88
-aws-cdk.core==1.88
-aws-cdk.cx-api==1.88
-aws-cdk.region-info==1.88
-awscli==1.18.140
-aws-sam-cli==1.15.0
-boto3==1.14.63
-botocore==1.17.63
-jsii<1.20.0,>=1.16.0
+aws-cdk-assets==1.105
+aws-cdk.aws-apigateway==1.105
+aws-cdk.aws-applicationautoscaling==1.105
+aws-cdk.aws-autoscaling==1.105
+aws-cdk.aws-autoscaling_common==1.105
+aws-cdk.aws-autoscaling_hooktargets==1.105
+aws-cdk.aws-certificatemanager==1.105
+aws-cdk.aws-cloudformation==1.105
+aws-cdk.aws-cloudfront==1.105
+aws-cdk.aws-cloudwatch==1.105
+aws-cdk.aws-codebuild==1.105
+aws-cdk.aws-codecommit==1.105
+aws-cdk.aws-codedeploy==1.105
+aws-cdk.aws-codepipeline-actions==1.105
+aws-cdk.aws-codepipeline==1.105
+aws-cdk.aws-dynamodb==1.105
+aws-cdk.aws-ec2==1.105
+aws-cdk.aws-ecr==1.105
+aws-cdk.aws-ecr==1.105
+aws-cdk.aws-ecr_assets==1.105
+aws-cdk.aws-ecs==1.105
+aws-cdk.aws-elasticloadbalancing==1.105
+aws-cdk.aws-elasticloadbalancingv2==1.105
+aws-cdk.aws-events==1.105
+aws-cdk.aws-events_targets==1.105
+aws-cdk.aws-iam==1.105
+aws-cdk.aws-kinesis==1.105
+aws-cdk.aws-kms==1.105
+aws-cdk.aws-lambda==1.105
+aws-cdk.aws-lambda_event_sources==1.105
+aws-cdk.aws-logs==1.105
+aws-cdk.aws-route53==1.105
+aws-cdk.aws-route53_targets==1.105
+aws-cdk.aws-s3==1.105
+aws-cdk.aws-s3_assets==1.105
+aws-cdk.aws-s3_assets==1.105
+aws-cdk.aws-s3_notifications==1.105
+aws-cdk.aws-sam==1.105
+aws-cdk.aws-secretsmanager==1.105
+aws-cdk.aws-servicediscovery==1.105
+aws-cdk.aws-sns==1.105
+aws-cdk.aws-sns==1.105
+aws-cdk.aws-sns_subscriptions==1.105
+aws-cdk.aws-sqs==1.105
+aws-cdk.aws-ssm==1.105
+aws-cdk.aws-stepfunctions==1.105
+aws-cdk.core==1.105
+aws-cdk.cx-api==1.105
+aws-cdk.region-info==1.105
+awscli==1.19.74
+aws-sam-cli==1.23.0
+botocore==1.20.74
+boto3==1.17.74
 mock~=4.0.3
-pytest~=6.2.1
-pyyaml>=5.3
-schema~=0.7.2
+pytest~=6.2.4
+pyyaml>=5.4.1
+schema~=0.7.4
 urllib3~=1.25.11
diff --git a/src/lambda_codebase/initial_commit/requirements.txt b/src/lambda_codebase/initial_commit/requirements.txt
index 539a18003..d531222c0 100644
--- a/src/lambda_codebase/initial_commit/requirements.txt
+++ b/src/lambda_codebase/initial_commit/requirements.txt
@@ -1,3 +1,3 @@
 Jinja2~=2.11.3
-boto3==1.14.63
+boto3==1.17.74
 cfn-custom-resource~=1.0.1