diff --git a/extra/sodium/sodium.factor b/extra/sodium/sodium.factor
index b6df8306bd..307081dbf7 100644
--- a/extra/sodium/sodium.factor
+++ b/extra/sodium/sodium.factor
@@ -1,4 +1,4 @@
-! Copyright (C) 2017 Alexander Ilin.
+! Copyright (C) 2017-2020 Alexander Ilin.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: alien.c-types alien.data byte-arrays init io.encodings.ascii
 io.encodings.string io.encodings.utf8 kernel locals math sequences