diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 43952dc..4e5af93 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -20,6 +20,7 @@ Authors from Codership Oy:
  * Teemu Ollakka <teemu.ollakka@galeracluster.com>, Codership Oy
  * Leandro Pacheco de Sousa <leandro.pacheco@galeracluster.com>, Codership Oy
  * Alexey Yurchenko <alexey.yurchenko@galeracluster.com>, Codership Oy
+ * Mario Karuza <mario.karuza@galeracluster.com>, Codership Oy
  [Codership employees, add name and email/username above this line, but leave this line intact]
 
 Other contributors: