diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bd84fec3..e06827a6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,11 +30,35 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
+      # Use abatilo/actions-poetry@v2 to install Poetry
+      - name: Install Poetry 
+        uses: abatilo/actions-poetry@v2
+        with:
+          poetry-version: 1.5.1
+
+      # Setup Local Virtual Environment if no poetry.toml file
+      - name: Setup Local Virtual Environment
+        run: |
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+
+      # Load Cached Environment if it exists
+      - name: Load Cached Environment
+        id: cached-poetry-dependencies
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
+
+      # Install Dependencies if no cached environment
+      - name: Install Dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+        run: poetry install --no-interaction --no-root
+
       # Runs a single command using the runners shell
       - name: Run all tests
-        run: ./runtests
-
+        run: poetry run ./runtests
diff --git a/.gitignore b/.gitignore
index 35c96ea1..6186cfa5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ local/
 .vscode/
 venv/
 pyvenv.cfg
+poetry.lock
\ No newline at end of file
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 259261b0..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-include requirements.txt
-include LICENSE
-include README.md
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..8f9d7937
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,36 @@
+[tool.poetry]
+name = "m3u8"
+version = "6.0.0"
+description = "Python m3u8 parser"
+authors = ["Globo.com"]
+license = "MIT"
+readme = "README.md"
+repository = "https://github.com/globocom/m3u8"
+packages = [
+    {include = "m3u8"},
+    {include = "LICENSE"},
+    {include = "README.md"},
+]
+classifiers = [
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+
+[tool.poetry.dependencies]
+python = "^3.7"
+backports-datetime-fromisoformat = {version = "*", python = "<3.11"}
+
+[tool.poetry.group.dev.dependencies]
+bottle = "*"
+pytest = "*"
+pytest-cov = ">=2.4.0,<2.6"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
\ No newline at end of file
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 56806d35..00000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,8 +0,0 @@
--r requirements.txt
-bottle
-pytest
-# pytest-cov 2.6.0 has increased the version requirement 
-# for the coverage package from >=3.7.1 to >=4.4, 
-# which is in conflict with the version requirement 
-# defined by the python-coveralls package for coverage==4.0.3
-pytest-cov>=2.4.0,<2.6
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index c785d132..00000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-backports-datetime-fromisoformat; python_version < '3.11'
diff --git a/runtests b/runtests
index 7d55bd76..d63665b5 100755
--- a/runtests
+++ b/runtests
@@ -3,12 +3,16 @@
 test_server_stdout=tests/server.stdout
 
 function install_deps {
-    pip install -r requirements-dev.txt
+    if [ -z "$GITHUB_ACTIONS" ]; then
+        poetry install
+    else
+        echo "Skipping dependency installation on GitHub Actions"
+    fi
 }
 
 function start_server {
     rm -f ${test_server_stdout}
-    python tests/m3u8server.py >${test_server_stdout} 2>&1 &
+    poetry run python tests/m3u8server.py >${test_server_stdout} 2>&1 &
 }
 
 function stop_server {
@@ -17,7 +21,7 @@ function stop_server {
 }
 
 function run {
-    PYTHONPATH=. py.test -vv --cov-report term-missing --cov m3u8 tests/
+    poetry run pytest -vv --cov-report term-missing --cov m3u8 tests/
 }
 
 function main {
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 237d7aeb..00000000
--- a/setup.py
+++ /dev/null
@@ -1,28 +0,0 @@
-from os.path import abspath, dirname, exists, join
-
-from setuptools import setup
-
-long_description = None
-if exists("README.md"):
-    with open("README.md") as file:
-        long_description = file.read()
-
-install_reqs = [
-    req for req in open(abspath(join(dirname(__file__), "requirements.txt")))
-]
-
-setup(
-    name="m3u8",
-    author="Globo.com",
-    version="6.0.0",
-    license="MIT",
-    zip_safe=False,
-    include_package_data=True,
-    install_requires=install_reqs,
-    packages=["m3u8"],
-    url="https://github.com/globocom/m3u8",
-    description="Python m3u8 parser",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    python_requires=">=3.7",
-)