diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2c005c8..34e16b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Run Tests
         run: |
           hatch run test:pytest
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true