diff --git a/.github/workflows/ci_workflow.yml b/.github/workflows/ci_workflow.yml
index b1caea1..ca50cff 100644
--- a/.github/workflows/ci_workflow.yml
+++ b/.github/workflows/ci_workflow.yml
@@ -31,36 +31,23 @@ jobs:
   linting:
 
     runs-on: ubuntu-latest
-    env:
-      PIP_CONSTRAINT: ${{ github.workspace }}/.github/workflows/constraints.txt
     steps:
     - uses: actions/checkout@v4
-    - name: Install Poetry
-      run: |
-        pipx install poetry
-        poetry --version
-    - name: Set up Python ${{ matrix.python-version }}
-      id: setup-python
-      uses: actions/setup-python@v5
+    - uses: actions/setup-python@v5
       with:
         python-version: 3.x
-        cache: poetry
-    - name: Install dependencies
-      run: |
-        poetry env use ${{ steps.setup-python.outputs.python-path }}
-        poetry install
+    - uses: astral-sh/setup-uv@v3
+      with:
+        version: ">=0.4.20"
     - name: Run lint command from tox.ini
       run: |
-        pipx run tox -e lint
+        uvx tox -e lint
 
   pytest:
 
     runs-on: ubuntu-latest
-    env:
-      CLIENT_SECRETS: ${{ secrets.GA_CLIENT_SECRETS }}
-      GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-      PIP_CONSTRAINT: ${{ github.workspace }}/.github/workflows/constraints.txt
     strategy:
+      fail-fast: false
       matrix:
         python-version:
         - "3.8"
@@ -72,19 +59,14 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Install Poetry
-      run: |
-        pipx install poetry
-        poetry --version
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
-        cache: poetry
-    - name: Install dependencies
-      run: |
-        poetry install
+    - uses: astral-sh/setup-uv@v3
+      with:
+        version: ">=0.4.20"
     - name: Test with pytest
       run: |
-        poetry run pytest --capture=no
+        uvx tox -e py
diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
deleted file mode 100644
index 85cdce6..0000000
--- a/.github/workflows/constraints.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-pip==24.2
-poetry==1.8.4
diff --git a/README.md b/README.md
index 39bbe35..1ca7a64 100644
--- a/README.md
+++ b/README.md
@@ -114,8 +114,7 @@ Create tests within the `tap_csv/tests` subfolder and
   then run:
 
 ```bash
-poetry run tox
-poetry run tox -e pytest
+poetry run tox -e py313
 poetry run tox -e format
 poetry run tox -e lint
 ```
diff --git a/pyproject.toml b/pyproject.toml
index 4d6657e..915fb06 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ ruff = ">=0.1.15"
 types-requests = ">=2.31.0"
 
 [build-system]
-requires = ["poetry-core==1.9.0"]
+requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.scripts]
diff --git a/tox.ini b/tox.ini
index 4694ab8..65156f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,35 +1,33 @@
 # This file can be used to customize tox tests as well as other test frameworks like flake8 and mypy
 
 [tox]
-envlist = py38
-; envlist = py37, py38, py39
+envlist = py3{8,9,10,11,12,13}, format, lint
 isolated_build = true
 
 [testenv]
-allowlist_externals = poetry
-
-[testenv:pytest]
-# Run the python tests.
-# To execute, run `tox -e pytest`
-envlist = py38, py39, py310, py311, py312
+deps =
+    coverage
+    pytest
 commands =
-    poetry install -v
-    poetry run coverage run -m pytest
-    poetry run coverage html -d tap_csv/tests/codecoverage
+    coverage run -m pytest
+    coverage html -d tap_csv/tests/codecoverage
 
 [testenv:format]
 # Attempt to auto-resolve lint errors before they are raised.
 # To execute, run `tox -e format`
+deps =
+    ruff
 commands =
-    poetry install -v
-    poetry run ruff check --fix tap_csv/
-    poetry run ruff format tap_csv
+    ruff check --fix tap_csv/
+    ruff format tap_csv
 
 [testenv:lint]
 # Raise an error if lint and style standards are not met.
 # To execute, run `tox -e lint`
+deps =
+    ruff
+    mypy
 commands =
-    poetry install -v
-    poetry run ruff check --diff tap_csv/
-    poetry run ruff format --check tap_csv
-    poetry run mypy tap_csv --exclude='tap_csv/tests'  --ignore-missing-imports
+    ruff check --diff tap_csv/
+    ruff format --check tap_csv
+    mypy tap_csv --exclude='tap_csv/tests'  --ignore-missing-imports