diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ce3e967..74aaaefc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,4 +69,6 @@ jobs:
         run: pytest
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v4.6.0
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/src/data_morph/shapes/bases/line_collection.py b/src/data_morph/shapes/bases/line_collection.py
index 2f91fc2f..41af66b9 100644
--- a/src/data_morph/shapes/bases/line_collection.py
+++ b/src/data_morph/shapes/bases/line_collection.py
@@ -86,8 +86,10 @@ def distance(self, x: Number, y: Number) -> float:
         )
 
         # row-wise cross products of 2D vectors
-        perpendicular_distance_component = np.cross(
-            point - start_points, normalized_tangent_vectors
+        diff = point - start_points
+        perpendicular_distance_component = (
+            diff[..., 0] * normalized_tangent_vectors[..., 1]
+            - diff[..., 1] * normalized_tangent_vectors[..., 0]
         )
 
         return np.min(