diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3946708..3121698 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -230,7 +230,8 @@ jobs:
             -t lcov \
             -o lcov.info
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: lcov.info
           fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}