diff --git a/infra/README.md b/infra/README.md
index b5bf055..9105798 100644
--- a/infra/README.md
+++ b/infra/README.md
@@ -14,8 +14,9 @@ https://docs.docker.com/docker-for-windows/install/
 
 Instruction to run CDK
 1. cd TabularDocumentDigitization/infra
-2. pipenv install # builds a virtualenv and installs all your dependencies there. If the locking takes too much time run pipenv install -d --skip-lock
-3. pipenv shell # assume the newly created python environment (alternatively prefix all commands with `pipenv run`)
-4. cdk bootstrap # only run this once per account setup
+2. python3 -m venv env          - Creating a virtual environment¶
+3. source env/bin/activate
+4. pip3 install -r requirements.txt  - (Installs Dependency)
+5. cdk bootstrap # only run this once per account setup
 
 ## Notes
diff --git a/infra/requirements.txt b/infra/requirements.txt
new file mode 100644
index 0000000..d6e1198
--- /dev/null
+++ b/infra/requirements.txt
@@ -0,0 +1 @@
+-e .
diff --git a/infra/setup.py b/infra/setup.py
index 7cc4c6f..44d7568 100644
--- a/infra/setup.py
+++ b/infra/setup.py
@@ -19,10 +19,38 @@
     packages=setuptools.find_packages(where="tabular_document_digitization"),
 
     install_requires=[
-        "aws-cdk.core==1.70.0",
+        "aws-cdk.core>=1.70.0",
+        "aws-cdk.assets>=1.70.0",
+        "aws-cdk.aws-cloudformation>=1.70.0",
+        "aws-cdk.aws-cloudwatch>=1.70.0",
+        "aws-cdk.aws-dynamodb>=1.70.0",
+        "aws-cdk.aws-events>=1.70.0",
+        "aws-cdk.aws-events-targets>=1.70.0",
+        "aws-cdk.aws-iam>=1.70.0",
+        "aws-cdk.aws-lambda>=1.70.0",
+        "aws-cdk.aws-lambda-event-sources>=1.70.0",
+        "aws-cdk.aws-logs>=1.70.0",
+        "aws-cdk.aws-s3>=1.70.0",
+        "aws-cdk.aws-s3-assets>=1.70.0",
+        "aws-cdk.aws-s3-deployment>=1.70.0",
+        "aws-cdk.aws-s3-notifications>=1.70.0",
+        "aws-cdk.aws-sns>=1.70.0",
+        "aws-cdk.aws-sns-subscriptions>=1.70.0",
+        "aws-cdk.aws-sqs>=1.70.0",
+        "aws-cdk.aws-cognito>=1.70.0",
+        "aws-cdk.aws-sagemaker>=1.70.0",
+        "aws-cdk.custom-resources>=1.70.0",
+        "aws-cdk.core>=1.70.0",
+        "aws-cdk.aws-stepfunctions-tasks>=1.70.0",
+        "aws-cdk.aws-stepfunctions>=1.70.0",
+        "crhelper>=2.0.6"
+        "boto3>=1.16.47",
+        "jsii>=1.16.0",
+        "GitPython>=3.1.11",
+        "DotMap>=1.3.23"
     ],
 
-    python_requires=">=3.6",
+    python_requires=">=3.8",
 
     classifiers=[
         "Development Status :: 4 - Beta",
diff --git a/infra/tabular_document_digitization/tabular_document_digitization_stack.py b/infra/tabular_document_digitization/tabular_document_digitization_stack.py
index 2dd966b..2107be4 100644
--- a/infra/tabular_document_digitization/tabular_document_digitization_stack.py
+++ b/infra/tabular_document_digitization/tabular_document_digitization_stack.py
@@ -22,6 +22,7 @@ def __init__(
                 "bash",
                 "-c",
                 "mkdir /asset-output/python && mkdir /asset-output/python/shared && cp -r shared /asset-output/python",
+                "pip install -r requirements.txt -t /asset-output/python",
             ],
         )