diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index c7c0c63..08b744b 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -20,10 +20,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |
@@ -33,4 +33,9 @@ jobs:
       - name: Test with pytest
         run: |
           python -m pip install .
-          python -m pytest
\ No newline at end of file
+          python -m pytest
+      
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
\ No newline at end of file
diff --git a/tests/requirements.txt b/tests/requirements.txt
index f9f1e45..776bc8c 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -2,4 +2,5 @@ pytest
 networkx
 jax
 numpy
-scipy
\ No newline at end of file
+scipy
+pytest-cov
\ No newline at end of file