diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42483681..61284651 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,9 +52,11 @@ jobs:
         if: startsWith(matrix.os, 'ubuntu')
         with:
           directories: GI/src,src
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         if: startsWith(matrix.os, 'ubuntu')
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false  # or true if you want CI to fail when Codecov fails
           file: lcov.info
 
   Documentation: