diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e388366fc8..86bd3f836e5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -134,7 +134,8 @@ jobs:
           file: ./lcov.info
           flags: unittests
           name: codecov-umbrella
-          fail_ci_if_error: false
+          fail_ci_if_error: true
+          verbose: true
           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