diff --git a/copyright.txt b/copyright.txt
index 45002816f..e2dcb4401 100644
--- a/copyright.txt
+++ b/copyright.txt
@@ -1,6 +1,7 @@
 Contributors
 ============
 
+Alexandr Shalugin - https://github.com/shalugin
 Andreas Gudian - https://github.com/agudian
 Christian Schuster - https://github.com/chschu
 Christophe Labouisse - https://github.com/ggtools