diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 6a326397..a9536c5f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -67,6 +67,8 @@ jobs:
       - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       # The standard setup of Coveralls is just annoying for parallel builds, see, e.g.,
       # https://github.com/trixi-framework/Trixi.jl/issues/691
       # https://github.com/coverallsapp/github-action/issues/47