diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index f2ca5a9..2108510 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: Python package
+name: unit tests
 
 on:
   push:
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, '3.10', 3.11, 3.12]
+        python-version: ["3.8","3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4
@@ -24,14 +24,8 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-    - name: Lint with flake8
-      run: |
-        # Stop the build if there are any lint errors or warnings
-        flake8 . --count --show-source --max-line-length=127 --statistics
-    - name: Run tests
-      run: |
-        python tests.py
+        cache: pip
+    - name: Install requirements
+      run: pip install -r requirements.txt
+    - name: Run tox
+      run: tox -e py
diff --git a/requirements.txt b/requirements.txt
index 1ae3ec6..02cff76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
+tox
 flake8
\ No newline at end of file