diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d8c1f6a..e0bcf65 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -7,48 +7,31 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ['3.6']
-    
+
     steps:
     - uses: actions/checkout@v2
       with:
         # Include tags in the checkout
         fetch-depth: 0
-    - name: Set up Python ${{ matrix.python-version }}
+
+    - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: ${{ matrix.python-version }}
-    - name: Get Pip cache directory
-      id: pip-cache
-      run: |
-        echo "::set-output name=dir::$(pip cache dir)"
-    - uses: actions/cache@v1
-      id: cache
-      with:
-        path: ${{ steps.pip-cache.outputs.dir }}
-        key: ${{ runner.os }}-${{ hashFiles('**/setup.py') }}-pip-cache
-        restore-keys: |
-          ${{ runner.os }}-pip-cache
-    - name: Install dependencies
-      run: |
-        pip install --upgrade setuptools wheel twine
+        python-version: 3.6
+
+    - name: Install poetry
+      uses: dschep/install-poetry-action@v1.3
+
     - name: Publish vcap
       working-directory: ./vcap
       env:
-        TWINE_USERNAME: __token__
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-      run: |
-        PRE_RELEASE_SUFFIX=$(python3 ../.github/workflows/pre_release_suffix.py) \
-          python3 setup.py sdist bdist_wheel
-        python3 -m twine upload dist/*
+        POETRY_HTTP_BASIC_PYPI_USERNAME: __token__
+        POETRY_HTTP_BASIC_PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: poetry publish
+
     - name: Publish vcap-utils
       working-directory: ./vcap_utils
       env:
-        TWINE_USERNAME: __token__
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-      run: |
-        PRE_RELEASE_SUFFIX=$(python3 ../.github/workflows/pre_release_suffix.py) \
-          python3 setup.py sdist bdist_wheel
-        python3 -m twine upload dist/*
+        POETRY_HTTP_BASIC_PYPI_USERNAME: __token__
+        POETRY_HTTP_BASIC_PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: poetry publish
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 10d1348..133a394 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,42 +10,48 @@ jobs:
   test:
 
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.6]
 
     steps:
-    - uses: actions/checkout@v2
-      with:
-        # Include tags in the checkout
-        fetch-depth: 0
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Get Pip cache directory
-      id: pip-cache
-      run: |
-        echo "::set-output name=dir::$(pip cache dir)"
-    - uses: actions/cache@v1
-      id: cache
-      with:
-        path: ${{ steps.pip-cache.outputs.dir }}
-        key: ${{ runner.os }}-${{ hashFiles('**/setup.py') }}-pip-cache
-        restore-keys: |
-          ${{ runner.os }}-pip-cache 
+      - uses: actions/checkout@v2
+        with:
+          # Include tags in the checkout
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.6
+
+      - name: Install poetry
+        uses: dschep/install-poetry-action@v1.3
+
+      - name: Configure poetry for caching
+        run: |
+          # https://github.com/dschep/install-poetry-action/issues/11
+          poetry config virtualenvs.create true
+          poetry config virtualenvs.in-project false
+          poetry config cache-dir ~/.poetry
+          poetry config virtualenvs.path ~/.poetry/virtualenv
+
+      - name: Cache poetry virtualenv
+        uses: actions/cache@v2
+        id: poetry-cache
+        with:
+          path: ~/.poetry
+          key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-poetry-
+
     - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install flake8 pytest
-        pip install -e "./vcap[easy,tests]"
-        pip install -e "./vcap_utils[tests]"
+      working-directory: ./vcap_utils
+      run: poetry install -E easy
+
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=79 --statistics
+
     - name: Test with pytest
-      run: |
-        pytest
+      run: pytest
diff --git a/vcap/poetry.lock b/vcap/poetry.lock
new file mode 100644
index 0000000..ba13164
--- /dev/null
+++ b/vcap/poetry.lock
@@ -0,0 +1,883 @@
+[[package]]
+category = "main"
+description = "Abseil Python Common Libraries, see https://github.com/abseil/abseil-py."
+name = "absl-py"
+optional = false
+python-versions = "*"
+version = "0.9.0"
+
+[package.dependencies]
+six = "*"
+
+[[package]]
+category = "main"
+description = "Read/rewrite/write Python ASTs"
+name = "astor"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "0.8.1"
+
+[[package]]
+category = "dev"
+description = "Atomic file writes."
+marker = "sys_platform == \"win32\""
+name = "atomicwrites"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.4.0"
+
+[[package]]
+category = "dev"
+description = "Classes Without Boilerplate"
+name = "attrs"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "19.3.0"
+
+[package.extras]
+azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "zope.interface"]
+tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+
+[[package]]
+category = "dev"
+description = "Cross-platform colored terminal text."
+marker = "sys_platform == \"win32\""
+name = "colorama"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.4.3"
+
+[[package]]
+category = "dev"
+description = "the modular source code checker: pep8 pyflakes and co"
+name = "flake8"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "3.8.3"
+
+[package.dependencies]
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.6.0a1,<2.7.0"
+pyflakes = ">=2.2.0,<2.3.0"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
+[[package]]
+category = "main"
+description = "Python AST that abstracts the underlying Python version"
+name = "gast"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.2.2"
+
+[[package]]
+category = "main"
+description = "pasta is an AST-based Python refactoring library"
+name = "google-pasta"
+optional = false
+python-versions = "*"
+version = "0.2.0"
+
+[package.dependencies]
+six = "*"
+
+[[package]]
+category = "main"
+description = "HTTP/2-based RPC framework"
+name = "grpcio"
+optional = false
+python-versions = "*"
+version = "1.31.0"
+
+[package.dependencies]
+six = ">=1.5.2"
+
+[package.extras]
+protobuf = ["grpcio-tools (>=1.31.0)"]
+
+[[package]]
+category = "main"
+description = "Read and write HDF5 files from Python"
+name = "h5py"
+optional = false
+python-versions = "*"
+version = "2.10.0"
+
+[package.dependencies]
+numpy = ">=1.7"
+six = "*"
+
+[[package]]
+category = "main"
+description = "Read metadata from Python packages"
+marker = "python_version < \"3.8\""
+name = "importlib-metadata"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "1.7.0"
+
+[package.dependencies]
+zipp = ">=0.5"
+
+[package.extras]
+docs = ["sphinx", "rst.linker"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+
+[[package]]
+category = "dev"
+description = "iniconfig: brain-dead simple config-ini parsing"
+name = "iniconfig"
+optional = false
+python-versions = "*"
+version = "1.0.1"
+
+[[package]]
+category = "main"
+description = "Lightweight pipelining: using Python functions as pipeline jobs."
+name = "joblib"
+optional = false
+python-versions = ">=3.6"
+version = "0.16.0"
+
+[[package]]
+category = "main"
+description = "Reference implementations of popular deep learning models"
+name = "keras-applications"
+optional = false
+python-versions = "*"
+version = "1.0.8"
+
+[package.dependencies]
+h5py = "*"
+numpy = ">=1.9.1"
+
+[package.extras]
+tests = ["pytest", "pytest-pep8", "pytest-xdist", "pytest-cov"]
+
+[[package]]
+category = "main"
+description = "Easy data preprocessing and data augmentation for deep learning models"
+name = "keras-preprocessing"
+optional = false
+python-versions = "*"
+version = "1.1.2"
+
+[package.dependencies]
+numpy = ">=1.9.1"
+six = ">=1.9.0"
+
+[package.extras]
+image = ["scipy (>=0.14)", "Pillow (>=5.2.0)"]
+pep8 = ["flake8"]
+tests = ["pandas", "pillow", "tensorflow", "keras", "pytest", "pytest-xdist", "pytest-cov"]
+
+[[package]]
+category = "main"
+description = "Python implementation of Markdown."
+name = "markdown"
+optional = false
+python-versions = ">=3.5"
+version = "3.2.2"
+
+[package.dependencies]
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
+[package.extras]
+testing = ["coverage", "pyyaml"]
+
+[[package]]
+category = "dev"
+description = "McCabe checker, plugin for flake8"
+name = "mccabe"
+optional = false
+python-versions = "*"
+version = "0.6.1"
+
+[[package]]
+category = "dev"
+description = "Rolling backport of unittest.mock for all Pythons"
+name = "mock"
+optional = false
+python-versions = ">=3.6"
+version = "4.0.2"
+
+[package.extras]
+build = ["twine", "wheel", "blurb"]
+docs = ["sphinx"]
+test = ["pytest", "pytest-cov"]
+
+[[package]]
+category = "dev"
+description = "More routines for operating on iterables, beyond itertools"
+name = "more-itertools"
+optional = false
+python-versions = ">=3.5"
+version = "8.4.0"
+
+[[package]]
+category = "main"
+description = "NumPy is the fundamental package for array computing with Python."
+name = "numpy"
+optional = false
+python-versions = ">=3.6"
+version = "1.19.1"
+
+[[package]]
+category = "main"
+description = "Wrapper package for OpenCV python bindings."
+name = "opencv-python-headless"
+optional = true
+python-versions = ">=3.5"
+version = "4.4.0.40"
+
+[[package]]
+category = "main"
+description = "Optimizing numpys einsum function"
+name = "opt-einsum"
+optional = false
+python-versions = ">=3.5"
+version = "3.3.0"
+
+[package.dependencies]
+numpy = ">=1.7"
+
+[package.extras]
+docs = ["sphinx (1.2.3)", "sphinxcontrib-napoleon", "sphinx-rtd-theme", "numpydoc"]
+tests = ["pytest", "pytest-cov", "pytest-pep8"]
+
+[[package]]
+category = "main"
+description = "Core utilities for Python packages"
+name = "packaging"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "20.4"
+
+[package.dependencies]
+pyparsing = ">=2.0.2"
+six = "*"
+
+[[package]]
+category = "dev"
+description = "plugin and hook calling mechanisms for python"
+name = "pluggy"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.13.1"
+
+[package.dependencies]
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+
+[[package]]
+category = "main"
+description = "Protocol Buffers"
+name = "protobuf"
+optional = false
+python-versions = "*"
+version = "3.12.4"
+
+[package.dependencies]
+setuptools = "*"
+six = ">=1.9"
+
+[[package]]
+category = "dev"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+name = "py"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.9.0"
+
+[[package]]
+category = "dev"
+description = "Python style guide checker"
+name = "pycodestyle"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.6.0"
+
+[[package]]
+category = "main"
+description = "Cryptographic library for Python"
+name = "pycryptodomex"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "3.9.8"
+
+[[package]]
+category = "dev"
+description = "passive checker of Python programs"
+name = "pyflakes"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.2.0"
+
+[[package]]
+category = "main"
+description = "Python parsing module"
+name = "pyparsing"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "2.4.7"
+
+[[package]]
+category = "dev"
+description = "pytest: simple powerful testing with Python"
+name = "pytest"
+optional = false
+python-versions = ">=3.5"
+version = "6.0.1"
+
+[package.dependencies]
+atomicwrites = ">=1.0"
+attrs = ">=17.4.0"
+colorama = "*"
+iniconfig = "*"
+more-itertools = ">=4.0.0"
+packaging = "*"
+pluggy = ">=0.12,<1.0"
+py = ">=1.8.2"
+toml = "*"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
+[package.extras]
+checkqa_mypy = ["mypy (0.780)"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+
+[[package]]
+category = "main"
+description = "A set of python modules for machine learning and data mining"
+name = "scikit-learn"
+optional = false
+python-versions = ">=3.5"
+version = "0.22.2.post1"
+
+[package.dependencies]
+joblib = ">=0.11"
+numpy = ">=1.11.0"
+scipy = ">=0.17.0"
+
+[package.extras]
+alldeps = ["numpy (>=1.11.0)", "scipy (>=0.17.0)"]
+
+[[package]]
+category = "main"
+description = "SciPy: Scientific Library for Python"
+name = "scipy"
+optional = false
+python-versions = ">=3.6"
+version = "1.5.2"
+
+[package.dependencies]
+numpy = ">=1.14.5"
+
+[[package]]
+category = "main"
+description = "Python 2 and 3 compatibility utilities"
+name = "six"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "1.15.0"
+
+[[package]]
+category = "main"
+description = "TensorBoard lets you watch Tensors Flow"
+name = "tensorboard"
+optional = false
+python-versions = ">= 2.7, != 3.0.*, != 3.1.*"
+version = "1.15.0"
+
+[package.dependencies]
+absl-py = ">=0.4"
+grpcio = ">=1.6.3"
+markdown = ">=2.6.8"
+numpy = ">=1.12.0"
+protobuf = ">=3.6.0"
+setuptools = ">=41.0.0"
+six = ">=1.10.0"
+werkzeug = ">=0.11.15"
+
+[package.dependencies.wheel]
+python = ">=3"
+version = ">=0.26"
+
+[[package]]
+category = "main"
+description = "TensorFlow Estimator."
+name = "tensorflow-estimator"
+optional = false
+python-versions = "*"
+version = "1.15.1"
+
+[[package]]
+category = "main"
+description = "TensorFlow is an open source machine learning framework for everyone."
+name = "tensorflow-gpu"
+optional = false
+python-versions = "*"
+version = "1.15.3"
+
+[package.dependencies]
+absl-py = ">=0.7.0"
+astor = ">=0.6.0"
+gast = "0.2.2"
+google-pasta = ">=0.1.6"
+grpcio = ">=1.8.6"
+keras-applications = ">=1.0.8"
+keras-preprocessing = ">=1.0.5"
+numpy = ">=1.16.0,<2.0"
+opt-einsum = ">=2.3.2"
+protobuf = ">=3.6.1"
+six = ">=1.10.0"
+tensorboard = ">=1.15.0,<1.16.0"
+tensorflow-estimator = "1.15.1"
+termcolor = ">=1.1.0"
+wrapt = ">=1.11.1"
+
+[package.dependencies.wheel]
+python = ">=3"
+version = ">=0.26"
+
+[[package]]
+category = "main"
+description = "ANSII Color formatting for output in terminal."
+name = "termcolor"
+optional = false
+python-versions = "*"
+version = "1.1.0"
+
+[[package]]
+category = "dev"
+description = "Python Library for Tom's Obvious, Minimal Language"
+name = "toml"
+optional = false
+python-versions = "*"
+version = "0.10.1"
+
+[[package]]
+category = "main"
+description = "The comprehensive WSGI web application library."
+name = "werkzeug"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "1.0.1"
+
+[package.extras]
+dev = ["pytest", "pytest-timeout", "coverage", "tox", "sphinx", "pallets-sphinx-themes", "sphinx-issues"]
+watchdog = ["watchdog"]
+
+[[package]]
+category = "main"
+description = "A built-package format for Python"
+marker = "python_version >= \"3\""
+name = "wheel"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "0.35.0"
+
+[package.dependencies]
+packaging = ">=20.2"
+
+[package.extras]
+test = ["pytest (>=3.0.0)", "pytest-cov"]
+
+[[package]]
+category = "main"
+description = "Module for decorators, wrappers and monkey patching."
+name = "wrapt"
+optional = false
+python-versions = "*"
+version = "1.12.1"
+
+[[package]]
+category = "main"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+marker = "python_version < \"3.8\""
+name = "zipp"
+optional = false
+python-versions = ">=3.6"
+version = "3.1.0"
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["jaraco.itertools", "func-timeout"]
+
+[extras]
+easy = ["opencv-python-headless"]
+
+[metadata]
+content-hash = "97758eb88e4ed9b3fb32a9de76f4fedf970a3e5b4d1b6d09ac583247b10e6047"
+lock-version = "1.0"
+python-versions = "^3.6"
+
+[metadata.files]
+absl-py = [
+    {file = "absl-py-0.9.0.tar.gz", hash = "sha256:75e737d6ce7723d9ff9b7aa1ba3233c34be62ef18d5859e706b8fdc828989830"},
+]
+astor = [
+    {file = "astor-0.8.1-py2.py3-none-any.whl", hash = "sha256:070a54e890cefb5b3739d19f30f5a5ec840ffc9c50ffa7d23cc9fc1a38ebbfc5"},
+    {file = "astor-0.8.1.tar.gz", hash = "sha256:6a6effda93f4e1ce9f618779b2dd1d9d84f1e32812c23a29b3fff6fd7f63fa5e"},
+]
+atomicwrites = [
+    {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
+    {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
+]
+attrs = [
+    {file = "attrs-19.3.0-py2.py3-none-any.whl", hash = "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c"},
+    {file = "attrs-19.3.0.tar.gz", hash = "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"},
+]
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diff --git a/vcap/pyproject.toml b/vcap/pyproject.toml
new file mode 100644
index 0000000..6d7ff8f
--- /dev/null
+++ b/vcap/pyproject.toml
@@ -0,0 +1,37 @@
+[tool.poetry]
+name = "vcap"
+version = "0.2.3"
+description = "A library for creating OpenVisionCapsules in Python"
+authors = ["Aotu"]
+license = "BSD-3-Clause"
+homepage = "https://github.com/opencv/open_vision_capsules"
+documentation = "https://openvisioncapsules.readthedocs.io/en/latest/"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+]
+
+[tool.poetry.dependencies]
+python = "^3.6"
+pycryptodomex = "^3.9.7"
+scipy = "^1.4.1"
+scikit-learn = "^0.22.2"
+numpy = "^1.18.4"
+tensorflow-gpu = "^1.15.2"
+
+opencv-python-headless = { version = "^4.1.2", optional = true }
+
+[tool.poetry.dev-dependencies]
+pytest = "^6.0.1"
+mock = "^4.0.2"
+flake8 = "^3.8.3"
+
+[tool.poetry.extras]
+easy = [
+    "opencv-python-headless"
+]
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"
diff --git a/vcap/setup.py b/vcap/setup.py
deleted file mode 100644
index 4fdd029..0000000
--- a/vcap/setup.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env python3
-import os
-
-from setuptools import setup, find_namespace_packages
-
-test_packages = ["pytest", "mock"]
-
-PRE_RELEASE_SUFFIX = os.environ.get("PRE_RELEASE_SUFFIX", "")
-
-setup(
-    name='vcap',
-    description="A library for creating OpenVisionCapsules in Python",
-    author="Dilili Labs",
-    packages=find_namespace_packages(include=["vcap*"]),
-    version="0.2.3" + PRE_RELEASE_SUFFIX,
-
-    install_requires=[
-        "pycryptodomex==3.9.7",
-        "scipy==1.4.1",
-        "scikit-learn==0.22.2",
-        "numpy==1.18.4",
-        "tensorflow-gpu==1.15.2",
-    ],
-    extras_require={
-        "tests": test_packages,
-        "easy": ["opencv-python-headless~=4.1.2"],
-    },
-    tests_require=test_packages,
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: BSD License",
-        "Operating System :: OS Independent",
-    ],
-    python_requires='>=3.6',
-)
diff --git a/vcap_utils/poetry.lock b/vcap_utils/poetry.lock
new file mode 100644
index 0000000..d5d21ab
--- /dev/null
+++ b/vcap_utils/poetry.lock
@@ -0,0 +1,900 @@
+[[package]]
+category = "main"
+description = "Abseil Python Common Libraries, see https://github.com/abseil/abseil-py."
+name = "absl-py"
+optional = false
+python-versions = "*"
+version = "0.9.0"
+
+[package.dependencies]
+six = "*"
+
+[[package]]
+category = "main"
+description = "Read/rewrite/write Python ASTs"
+name = "astor"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "0.8.1"
+
+[[package]]
+category = "dev"
+description = "Atomic file writes."
+marker = "sys_platform == \"win32\""
+name = "atomicwrites"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.4.0"
+
+[[package]]
+category = "dev"
+description = "Classes Without Boilerplate"
+name = "attrs"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "19.3.0"
+
+[package.extras]
+azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "zope.interface"]
+tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+
+[[package]]
+category = "dev"
+description = "Cross-platform colored terminal text."
+marker = "sys_platform == \"win32\""
+name = "colorama"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.4.3"
+
+[[package]]
+category = "dev"
+description = "the modular source code checker: pep8 pyflakes and co"
+name = "flake8"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "3.8.3"
+
+[package.dependencies]
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.6.0a1,<2.7.0"
+pyflakes = ">=2.2.0,<2.3.0"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
+[[package]]
+category = "main"
+description = "Python AST that abstracts the underlying Python version"
+name = "gast"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.2.2"
+
+[[package]]
+category = "main"
+description = "pasta is an AST-based Python refactoring library"
+name = "google-pasta"
+optional = false
+python-versions = "*"
+version = "0.2.0"
+
+[package.dependencies]
+six = "*"
+
+[[package]]
+category = "main"
+description = "HTTP/2-based RPC framework"
+name = "grpcio"
+optional = false
+python-versions = "*"
+version = "1.31.0"
+
+[package.dependencies]
+six = ">=1.5.2"
+
+[package.extras]
+protobuf = ["grpcio-tools (>=1.31.0)"]
+
+[[package]]
+category = "main"
+description = "Read and write HDF5 files from Python"
+name = "h5py"
+optional = false
+python-versions = "*"
+version = "2.10.0"
+
+[package.dependencies]
+numpy = ">=1.7"
+six = "*"
+
+[[package]]
+category = "main"
+description = "Read metadata from Python packages"
+marker = "python_version < \"3.8\""
+name = "importlib-metadata"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "1.7.0"
+
+[package.dependencies]
+zipp = ">=0.5"
+
+[package.extras]
+docs = ["sphinx", "rst.linker"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+
+[[package]]
+category = "dev"
+description = "iniconfig: brain-dead simple config-ini parsing"
+name = "iniconfig"
+optional = false
+python-versions = "*"
+version = "1.0.1"
+
+[[package]]
+category = "main"
+description = "Lightweight pipelining: using Python functions as pipeline jobs."
+name = "joblib"
+optional = false
+python-versions = ">=3.6"
+version = "0.16.0"
+
+[[package]]
+category = "main"
+description = "Reference implementations of popular deep learning models"
+name = "keras-applications"
+optional = false
+python-versions = "*"
+version = "1.0.8"
+
+[package.dependencies]
+h5py = "*"
+numpy = ">=1.9.1"
+
+[package.extras]
+tests = ["pytest", "pytest-pep8", "pytest-xdist", "pytest-cov"]
+
+[[package]]
+category = "main"
+description = "Easy data preprocessing and data augmentation for deep learning models"
+name = "keras-preprocessing"
+optional = false
+python-versions = "*"
+version = "1.1.2"
+
+[package.dependencies]
+numpy = ">=1.9.1"
+six = ">=1.9.0"
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+    {file = "tensorflow_gpu-1.15.2-cp35-cp35m-win_amd64.whl", hash = "sha256:ed9088812f81d9f4e53e8abe69116bc6cc3bfbb76186daa7ec141e5908736ba1"},
+    {file = "tensorflow_gpu-1.15.2-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:f91bf31e79ae4502522c3b14ccba85aec027e35b8eee96121737299afd3d5b2a"},
+    {file = "tensorflow_gpu-1.15.2-cp36-cp36m-win_amd64.whl", hash = "sha256:43db1fdb9cc8dd13b52e1c8184f0ad69b3ca4eb8fc073ed6490ced98f03dabd4"},
+    {file = "tensorflow_gpu-1.15.2-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:bd68d17b14c91f62c9dd031fe02f57cb9f4b4028aef6e83141885120b285fcdd"},
+    {file = "tensorflow_gpu-1.15.2-cp37-cp37m-win_amd64.whl", hash = "sha256:5da288f1d9bed8b9c23bf34c55b3228056ffaf8cd4ab097b5033a512535ee8ba"},
+]
+termcolor = [
+    {file = "termcolor-1.1.0.tar.gz", hash = "sha256:1d6d69ce66211143803fbc56652b41d73b4a400a2891d7bf7a1cdf4c02de613b"},
+]
+toml = [
+    {file = "toml-0.10.1-py2.py3-none-any.whl", hash = "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"},
+    {file = "toml-0.10.1.tar.gz", hash = "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f"},
+]
+vcap = [
+    {file = "vcap-0.2.3-py3-none-any.whl", hash = "sha256:6f8d849c767b0b06e88064023e5ee8d1c27945a73994d3b6c1be816a9ad5ee8d"},
+    {file = "vcap-0.2.3.tar.gz", hash = "sha256:b6ceff93c7c4fd6673faf88c993c7739e50a3099b131bf40f33ec53636be5d47"},
+]
+werkzeug = [
+    {file = "Werkzeug-1.0.1-py2.py3-none-any.whl", hash = "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43"},
+    {file = "Werkzeug-1.0.1.tar.gz", hash = "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"},
+]
+wheel = [
+    {file = "wheel-0.35.0-py2.py3-none-any.whl", hash = "sha256:64a0d73747636637479b8b8741f9304bee7a568c80e4029eeb9529ef134b471d"},
+    {file = "wheel-0.35.0.tar.gz", hash = "sha256:625e645aae0706ad09690bded523196a065fbcf9afcdb2d713b59e01ef8699c0"},
+]
+wrapt = [
+    {file = "wrapt-1.12.1.tar.gz", hash = "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"},
+]
+zipp = [
+    {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
+    {file = "zipp-3.1.0.tar.gz", hash = "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"},
+]
diff --git a/vcap_utils/pyproject.toml b/vcap_utils/pyproject.toml
new file mode 100644
index 0000000..1edf5dc
--- /dev/null
+++ b/vcap_utils/pyproject.toml
@@ -0,0 +1,33 @@
+[tool.poetry]
+name = "vcap-utils"
+version = "0.2.3"
+description = "Utilities for creating OpenVisionCapsules easily in Python"
+authors = ["Aotu"]
+license = "BSD-3-Clause"
+homepage = "https://github.com/opencv/open_vision_capsules"
+documentation = "https://openvisioncapsules.readthedocs.io/en/latest/"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+]
+
+[tool.poetry.dependencies]
+python = "^3.6"
+vcap = { version = "0.2.3" }
+
+opencv-python-headless = { version = "^4.1.2", optional = true }
+
+[tool.poetry.dev-dependencies]
+pytest = "^6.0.1"
+mock = "^4.0.2"
+flake8 = "^3.8.3"
+
+[tool.poetry.extras]
+easy = [
+    "opencv-python-headless"
+]
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"
diff --git a/vcap_utils/setup.py b/vcap_utils/setup.py
deleted file mode 100644
index 4aa3e77..0000000
--- a/vcap_utils/setup.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env python3
-import os
-
-from setuptools import setup, find_namespace_packages
-
-test_packages = ["pytest", "mock"]
-
-PRE_RELEASE_SUFFIX = os.environ.get("PRE_RELEASE_SUFFIX", "")
-
-setup(
-    name='vcap-utils',
-    description="Utilities for creating OpenVisionCapsules easily in Python",
-    author="Dilili Labs",
-    packages=find_namespace_packages(include=["vcap_utils*"]),
-    version="0.2.3" + PRE_RELEASE_SUFFIX,
-
-    install_requires=[
-        "vcap",
-    ],
-
-    extras_require={
-        "tests": test_packages,
-    },
-    tests_require=test_packages,
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: BSD License",
-        "Operating System :: OS Independent",
-    ],
-    python_requires='>=3.6',
-)