diff --git a/.secrets/.gitkeep b/.secrets/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index eec3b86..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,11 +0,0 @@
-FROM python:3.8-slim
-
-RUN apt-get update && apt-get install -y gcc libssl-dev
-RUN mkdir -p /opt/code
-WORKDIR /opt/code
-
-ADD . tap-clockify
-RUN pip install -r tap-clockify/requirements.txt
-RUN pip install ./tap-clockify
-
-CMD [ "python", "tap-clockify/docker-entrypoint.py" ]
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 3385699..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,2 +0,0 @@
-include LICENSE
-include tap_clockify/schemas/*.json
diff --git a/README.md b/README.md
index 7d9a71d..5b69e29 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,16 @@ It can generate a catalog of available data in Clockify and extract the followin
 - users
 - workspaces
 
+### Configuration
+
+```
+{
+  "api_key": "string",
+  "workspace": "string",
+  "start_date": "2020-04-01T00:00:00Z"
+}
+```
+
 ### Quick Start
 
 1. Install
diff --git a/config.example.json b/config.example.json
deleted file mode 100644
index e9ba706..0000000
--- a/config.example.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "api_key": "string",
-  "workspace": "string",
-  "start_date": "2020-04-01T00:00:00Z"
-}
\ No newline at end of file
diff --git a/docker-entrypoint.py b/docker-entrypoint.py
deleted file mode 100644
index 0b793de..0000000
--- a/docker-entrypoint.py
+++ /dev/null
@@ -1,29 +0,0 @@
-import json
-import os
-import pathlib
-import subprocess
-
-
-cwd = pathlib.Path().cwd()
-
-# Write config to file
-config = {
-    "api_key": os.environ["API_KEY"],
-    "workspace": os.environ["WORKSPACE"],
-    "start_date": os.environ.get("START_DATE") or "2020-01-01T00:00:00Z",
-}
-cwd.joinpath("config.json").write_text(json.dumps(config))
-
-# Run discovery and write default catalog
-catalog = subprocess.run(
-    ["tap-clockify", "-c", "config.json", "--discover"], capture_output=True
-)
-cwd.joinpath("catalog.json").write_text(catalog.stdout.decode("utf-8"))
-
-
-# Run the tap and save output to file
-tap = subprocess.run(
-    ["tap-clockify", "-c", "config.json", "--catalog", "catalog.json"],
-    capture_output=True,
-)
-cwd.joinpath("tap_output.txt").write_text(tap.stdout.decode("utf-8"))
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..b6b5ad1
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,210 @@
+[[package]]
+name = "backoff"
+version = "1.8.0"
+description = "Function decoration for backoff and retry"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "certifi"
+version = "2021.5.30"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "charset-normalizer"
+version = "2.0.4"
+description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+category = "main"
+optional = false
+python-versions = ">=3.5.0"
+
+[package.extras]
+unicode_backport = ["unicodedata2"]
+
+[[package]]
+name = "ciso8601"
+version = "2.1.3"
+description = "Fast ISO8601 date time parser for Python written in C"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "idna"
+version = "3.2"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "jsonschema"
+version = "2.6.0"
+description = "An implementation of JSON Schema validation for Python"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.extras]
+format = ["rfc3987", "strict-rfc3339", "webcolors"]
+
+[[package]]
+name = "python-dateutil"
+version = "2.8.2"
+description = "Extensions to the standard Python datetime module"
+category = "main"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
+
+[package.dependencies]
+six = ">=1.5"
+
+[[package]]
+name = "pytz"
+version = "2018.4"
+description = "World timezone definitions, modern and historical"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "requests"
+version = "2.26.0"
+description = "Python HTTP for Humans."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
+
+[package.dependencies]
+certifi = ">=2017.4.17"
+charset-normalizer = {version = ">=2.0.0,<2.1.0", markers = "python_version >= \"3\""}
+idna = {version = ">=2.5,<4", markers = "python_version >= \"3\""}
+urllib3 = ">=1.21.1,<1.27"
+
+[package.extras]
+socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
+use_chardet_on_py3 = ["chardet (>=3.0.2,<5)"]
+
+[[package]]
+name = "simplejson"
+version = "3.11.1"
+description = "Simple, fast, extensible JSON encoder/decoder for Python"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "singer-python"
+version = "5.9.0"
+description = "Singer.io utility library"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+backoff = "1.8.0"
+ciso8601 = "*"
+jsonschema = "2.6.0"
+python-dateutil = ">=2.6.0"
+pytz = "2018.4"
+simplejson = "3.11.1"
+
+[package.extras]
+dev = ["pylint", "ipython", "ipdb", "nose", "singer-tools"]
+
+[[package]]
+name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "urllib3"
+version = "1.26.6"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
+
+[package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
+secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
+socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.8"
+content-hash = "43019ed520b181fac863c59479d66fece7399d917b8a540b58c8d0197b16c251"
+
+[metadata.files]
+backoff = [
+    {file = "backoff-1.8.0-py2.py3-none-any.whl", hash = "sha256:d340bb6f36d025c04214b8925112d8456970e5f28dda46e4f1133bf5c622cb0a"},
+    {file = "backoff-1.8.0.tar.gz", hash = "sha256:c7187f15339e775aec926dc6e5e42f8a3ad7d3c2b9a6ecae7b535000f70cd838"},
+]
+certifi = [
+    {file = "certifi-2021.5.30-py2.py3-none-any.whl", hash = "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"},
+    {file = "certifi-2021.5.30.tar.gz", hash = "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee"},
+]
+charset-normalizer = [
+    {file = "charset-normalizer-2.0.4.tar.gz", hash = "sha256:f23667ebe1084be45f6ae0538e4a5a865206544097e4e8bbcacf42cd02a348f3"},
+    {file = "charset_normalizer-2.0.4-py3-none-any.whl", hash = "sha256:0c8911edd15d19223366a194a513099a302055a962bca2cec0f54b8b63175d8b"},
+]
+ciso8601 = [
+    {file = "ciso8601-2.1.3.tar.gz", hash = "sha256:bdbb5b366058b1c87735603b23060962c439ac9be66f1ae91e8c7dbd7d59e262"},
+]
+idna = [
+    {file = "idna-3.2-py3-none-any.whl", hash = "sha256:14475042e284991034cb48e06f6851428fb14c4dc953acd9be9a5e95c7b6dd7a"},
+    {file = "idna-3.2.tar.gz", hash = "sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3"},
+]
+jsonschema = [
+    {file = "jsonschema-2.6.0-py2.py3-none-any.whl", hash = "sha256:000e68abd33c972a5248544925a0cae7d1125f9bf6c58280d37546b946769a08"},
+    {file = "jsonschema-2.6.0.tar.gz", hash = "sha256:6ff5f3180870836cae40f06fa10419f557208175f13ad7bc26caa77beb1f6e02"},
+]
+python-dateutil = [
+    {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
+    {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
+]
+pytz = [
+    {file = "pytz-2018.4-py2.py3-none-any.whl", hash = "sha256:65ae0c8101309c45772196b21b74c46b2e5d11b6275c45d251b150d5da334555"},
+    {file = "pytz-2018.4.tar.gz", hash = "sha256:c06425302f2cf668f1bba7a0a03f3c1d34d4ebeef2c72003da308b3947c7f749"},
+]
+requests = [
+    {file = "requests-2.26.0-py2.py3-none-any.whl", hash = "sha256:6c1246513ecd5ecd4528a0906f910e8f0f9c6b8ec72030dc9fd154dc1a6efd24"},
+    {file = "requests-2.26.0.tar.gz", hash = "sha256:b8aa58f8cf793ffd8782d3d8cb19e66ef36f7aba4353eec859e74678b01b07a7"},
+]
+simplejson = [
+    {file = "simplejson-3.11.1-cp27-cp27m-win32.whl", hash = "sha256:38c2b563cd03363e7cb2bbba6c20ae4eaafd853a83954c8c8dd345ee391787bf"},
+    {file = "simplejson-3.11.1-cp27-cp27m-win_amd64.whl", hash = "sha256:8d73b96a6ee7c81fd49dac7225e3846fd60b54a0b5b93a0aaea04c5a5d2e7bf2"},
+    {file = "simplejson-3.11.1-cp33-cp33m-win32.whl", hash = "sha256:7f53ab6a675594f237ce7372c1edf742a6acb158149ed3259c5fffc5b613dc94"},
+    {file = "simplejson-3.11.1-cp33-cp33m-win_amd64.whl", hash = "sha256:86aa9fd492230c4b8b6814fcf089b36ffba2cec4d0635c8c642135b9067ebbd7"},
+    {file = "simplejson-3.11.1-cp34-cp34m-win32.whl", hash = "sha256:7df76ae6cac4a62ad5295f9a9131857077d84cb15fad2011acb2ce7410476009"},
+    {file = "simplejson-3.11.1-cp34-cp34m-win_amd64.whl", hash = "sha256:a6939199c30b78ae31e62e6913f0e12cb71a4a5ad67c259e0a98688df027a5de"},
+    {file = "simplejson-3.11.1-cp35-cp35m-win32.whl", hash = "sha256:11d91b88cc1e9645c79f0f6fd2961684249af963e2bbff5a00061ed4bbf55379"},
+    {file = "simplejson-3.11.1-cp35-cp35m-win_amd64.whl", hash = "sha256:36b0de42e3a8a51086c339cc803f6ac7a9d1d5254066d680956a195ca12cf0d8"},
+    {file = "simplejson-3.11.1.tar.gz", hash = "sha256:01a22d49ddd9a168b136f26cac87d9a335660ce07aa5c630b8e3607d6f4325e7"},
+    {file = "simplejson-3.11.1.win-amd64-py2.7.exe", hash = "sha256:1975e6b621fe1c2b9321c56476e8ebe1b851006517c1d67041b378950374694c"},
+    {file = "simplejson-3.11.1.win-amd64-py3.3.exe", hash = "sha256:f60f01b16215568a08611eb6a4d61d76c4173c3d69aac9cad593777056c284d5"},
+    {file = "simplejson-3.11.1.win-amd64-py3.4.exe", hash = "sha256:6be48181337ac5f5d9f48c9c504f317e245519318992122a05c40e482a721d59"},
+    {file = "simplejson-3.11.1.win-amd64-py3.5.exe", hash = "sha256:8ae8cdcbe49e29ddfdae0ab81c1f6c070706d18fcee86371352d0d54b47ad8ec"},
+    {file = "simplejson-3.11.1.win32-py2.7.exe", hash = "sha256:ebbd52b59948350ad66205e66b299fcca0e0821ed275c21262c522f4a6cea9d2"},
+    {file = "simplejson-3.11.1.win32-py3.3.exe", hash = "sha256:2dc7fb8c0c0ff9483ce31b93b700b1fa60aca9d099e6aca9813f28ff131ccf59"},
+    {file = "simplejson-3.11.1.win32-py3.4.exe", hash = "sha256:97cc43ef4cb18a2725f6e26d22b96f8ca50872a195bde32707dcb284f89c1d4d"},
+    {file = "simplejson-3.11.1.win32-py3.5.exe", hash = "sha256:c76d55d78dc8b06c96fd08c6cc5e2b0b650799627d3f9ca4ad23f40db72d5f6d"},
+]
+singer-python = [
+    {file = "singer-python-5.9.0.tar.gz", hash = "sha256:54b85914389312db9cf7b2800829e2d1a4b2d5a43a96d677d2a35311499d37c7"},
+]
+six = [
+    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
+]
+urllib3 = [
+    {file = "urllib3-1.26.6-py2.py3-none-any.whl", hash = "sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4"},
+    {file = "urllib3-1.26.6.tar.gz", hash = "sha256:f57b4c16c62fa2760b7e3d97c35b255512fb6b59a259730f36ba32ce9f8e342f"},
+]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..e9179fa
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[tool.poetry]
+name = "tap-clockify"
+version = "1.0.0"
+description = "Singer tap for extracting data from Clockify"
+authors = ["Stephen Bailey <stkbailey@gmail.com>"]
+license = "GNU"
+readme = "README.md"
+packages = [{include = "tap_clockify"}]
+
+[tool.poetry.dependencies]
+python = "^3.8"
+singer-python = "5.9.0"
+requests = "^2.26.0"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 3fd84c7..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-singer-python==5.9.0
-requests
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index b88034e..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[metadata]
-description-file = README.md
diff --git a/setup.py b/setup.py
deleted file mode 100755
index cf272e7..0000000
--- a/setup.py
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env python
-import setuptools
-
-setuptools.setup(
-    name="tap-clockify",
-    version="0.2.2",
-    description="Singer.io tap for extracting data",
-    author="Stephen Bailey",
-    url="http://singer.io",
-    classifiers=["Programming Language :: Python :: 3 :: Only"],
-    packages=setuptools.find_packages(),
-    py_modules=["tap_clockify"],
-    package_data={"schemas": ["tap_clockify/schemas/*.json"]},
-    entry_points="""
-        [console_scripts]
-        tap-clockify=tap_clockify:main
-    """,
-    install_requires=["singer-python", "requests"],
-    include_package_data=True,
-)