diff --git a/values.yaml b/values.yaml
index f461c5f..e171ce7 100644
--- a/values.yaml
+++ b/values.yaml
@@ -63,3 +63,4 @@ bootstrap:
       blackbox_targets:
         - https://www.google.com
         - https://www.stackoverflow.com
+        - https://www.heise.de