diff --git a/.gitignore b/.gitignore
index 5ae312b..e15b2c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,3 +127,5 @@ dmypy.json
 deploy/
 test/
 **/.DS_Store
+
+cdk.out
diff --git a/app.py b/app.py
index e2519c4..e2e73ca 100644
--- a/app.py
+++ b/app.py
@@ -78,7 +78,10 @@ def __init__(self, scope: Construct, id: str, **kwargs) -> None:
         # Creates a security group for AWS RDS
         sg_rds = ec2.SecurityGroup(scope=self, id='SGRDS', vpc=vpc, security_group_name='sg_rds')
         # Adds an ingress rule which allows resources in the VPC's CIDR to access the database.
-        sg_rds.add_ingress_rule(peer=ec2.Peer.ipv4('10.0.0.0/24'), connection=ec2.Port.tcp(port))
+        sg_rds.add_ingress_rule(
+            peer=ec2.Peer.ipv4(vpc.vpc_cidr_block),
+            connection=ec2.Port.tcp(port)
+        )
 
         database = rds.DatabaseInstance(
             scope=self,
@@ -130,7 +133,8 @@ def __init__(self, scope: Construct, id: str, **kwargs) -> None:
             id='MLFLOW',
             service_name=service_name,
             cluster=cluster,
-            task_definition=task_definition
+            task_definition=task_definition,
+            public_load_balancer=False
         )
 
         # Setup security group
@@ -148,10 +152,27 @@ def __init__(self, scope: Construct, id: str, **kwargs) -> None:
             scale_in_cooldown=Duration.seconds(60),
             scale_out_cooldown=Duration.seconds(60)
         )
+
+        # ==================================================
+        # =================== JUMP HOST ======================
+        # ==================================================
+        jump = ec2.Instance(self, "JumpHost",
+            vpc=vpc,
+            instance_type=ec2.InstanceType.of(ec2.InstanceClass.M5, ec2.InstanceSize.LARGE),
+            machine_image=ec2.AmazonLinuxImage(
+                generation=ec2.AmazonLinuxGeneration.AMAZON_LINUX_2
+            ),
+            block_devices=[ec2.BlockDevice(
+                device_name= '/dev/xvda',
+                volume=ec2.BlockDeviceVolume.ebs(50)
+            )]
+        )
+
         # ==================================================
         # =================== OUTPUTS ======================
         # ==================================================
         CfnOutput(scope=self, id='LoadBalancerDNS', value=fargate_service.load_balancer.load_balancer_dns_name)
+        CfnOutput(scope=self, id='JumpHostInstanceID', value=jump.instance_id)
 
 
 app = App()
diff --git a/container/Dockerfile b/container/Dockerfile
index 2a46733..57d515d 100644
--- a/container/Dockerfile
+++ b/container/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.8.0
 
 RUN pip install \
-    mlflow==1.28.0 \
+    mlflow==2.0.1 \
     pymysql==1.0.2 \
     boto3 && \
     mkdir /mlflow/
diff --git a/lab/3_deploy_model.ipynb b/lab/3_deploy_model.ipynb
index 6278cdd..ecbb265 100644
--- a/lab/3_deploy_model.ipynb
+++ b/lab/3_deploy_model.ipynb
@@ -20,7 +20,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "!pip install -q mlflow==1.28.0"
+    "!pip install -q mlflow==1.30.0"
    ]
   },
   {
diff --git a/lab/source_dir/requirements.txt b/lab/source_dir/requirements.txt
index c6c448b..1aa47be 100644
--- a/lab/source_dir/requirements.txt
+++ b/lab/source_dir/requirements.txt
@@ -1 +1 @@
-mlflow==1.28.0
+mlflow==1.30.0
diff --git a/requirements.txt b/requirements.txt
index 1579fa5..838e6b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-aws-cdk-lib==2.8.0
+aws-cdk-lib==2.47.0
 constructs==10.0.34