diff --git a/codecov.yml b/codecov.yml
index 8adfd3c..b77bde0 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -1,3 +1,13 @@
+codecov:
+  notify:
+    require_ci_to_pass: true
+    # wait until at all test runners have uploaded a report (see the test job's build matrix)
+    # otherwise, coverage failures may be shown while some reports are still missing
+    after_n_builds: 45 # must be the number of coverage report builds
+comment:
+  # this also configures the layout of PR check summaries / comments
+  layout: "reach, diff, flags, files"
+  after_n_builds: 45 # must be the number of coverage report builds
 coverage:
   status:
     project: