diff --git a/.github/workflows/pytests.yml b/.github/workflows/pytests.yml
index cb8bec3..127c685 100644
--- a/.github/workflows/pytests.yml
+++ b/.github/workflows/pytests.yml
@@ -29,9 +29,9 @@ jobs:
     - name: Install dependencies
       run: |
         pip install -r requirements.txt
-    - name: Test with pytest
+    - name: Test with pytest and generate coverage reports
       run: |
-        python -m pytest
+        python -m pytest --cov
 
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v4.0.1
diff --git a/environment.yml b/environment.yml
index 227ec9e..2c5ec16 100644
--- a/environment.yml
+++ b/environment.yml
@@ -12,6 +12,7 @@ dependencies:
   - pykml
   - pyproj
   - pytest
+  - pytest-cov # codecov reports
   - scipy
   - shapely
   - pre-commit # pre-commit hooks
diff --git a/requirements.txt b/requirements.txt
index 97a559f..3b62fd9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,5 +10,6 @@ pyarrow>=15.0.0
 pykml>=0.2.0
 pyproj>=3.4.1
 pytest>=7.2.2
+pytest-cov>=4.1.0
 scipy>=1.10.1
 shapely>=2.0.1