diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index edbce9c051..ce6bba03fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,25 +1,39 @@
 name: Test overpass-api-python-wrapper
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
+
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        sudo apt-get install libgeos-dev
-        python -m pip install --upgrade pip
-        pip install tox tox-gh-actions
-    - name: Test with tox
-      run: tox
\ No newline at end of file
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Poetry
+        run: |
+          curl -sSL https://install.python-poetry.org | python3 -
+
+      - name: Install system dependencies
+        run: sudo apt-get install -y libgeos-dev
+
+      - name: Install project dependencies
+        run: poetry install --no-root --sync
+
+      - name: Run tests with tox
+        run: poetry run tox
diff --git a/.gitignore b/.gitignore
index 3d2579d726..c276c9cc6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ pip-log.txt
 docs/_build/
 Pipfile.lock
 venv/
+.tox
diff --git a/poetry.lock b/poetry.lock
index 4a6f024dec..2cde21fd88 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -568,4 +568,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.0"
 python-versions = ">3.9, <3.12"
-content-hash = "4b325c8754e816798f6bb9667fbd2c1a2e9b78ce0e5c3819e22ec1dd8c62e862"
+content-hash = "cbde58fd145ca379e13dd16d277aa51a4bebe0eb205fb9e55909cf7ddad3b2cf"
diff --git a/pyproject.toml b/pyproject.toml
index bc2921dac7..0ac1685a41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,15 +13,13 @@ python = ">3.9, <3.12"
 osm2geojson = "^0.2.5"
 requests = "^2.32.3"
 
-[tool.poetry.dev-dependencies]
-pytest = "^7.4.0"
-tox = "^4.6.3"
-
 [tool.poetry.group.dev.dependencies]
+pytest = "^7.4.0"
 geojson = "^3.1.0"
-requests-mock = {extras = ["fixtures"], version = "^1.12.1"}
+requests-mock = { extras = ["fixtures"], version = "^1.12.1" }
 deepdiff = "^7.0.1"
+tox = "^4.17.1"
 
 [build-system]
-requires = ["poetry-core"]
+requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 52a31908a6..0000000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-pytest>=7.4.0
-requests-mock[fixture]
-tox>=4.6.3
-geojson>=1.3.1
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 6a05501a0c..0000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-osm2geojson>=0.1.30
-requests>=2.31.0
diff --git a/tox.ini b/tox.ini
index 235ed60c80..74c7ce7386 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,16 @@
 [tox]
-envlist = py{38,39,310,311}
+envlist = py{39,310,311}
 skip_missing_interpreters = true
 
 [testenv]
-deps = -r requirements-dev.txt
-commands = python -m pytest
+allowlist_externals = poetry
+commands_pre =
+    poetry install --no-root --sync
+commands =
+    poetry run pytest tests/ --import-mode importlib
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
\ No newline at end of file