diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 3d07a49e28..338a842ba8 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -49,3 +49,4 @@ Committing with `git commit -s` will add the sign-off at the end of the commit m
 - Sofia Lohr <sofia.lohr@iteratec.com>
 - Vanessa Hermann <vanessa.hermann@iteratec.com>
 - Lukas Fischer <lukas.fischer@iteratec.com>
+- Heiko Kiesel <heiko.kiesel@iteratec.com>