diff --git a/AUTHORS b/AUTHORS
index 8e766be6..0e7a16b2 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -82,6 +82,7 @@ Paul McLanahan <paul@mclanahan.net>
 Petar Radosevic <petar@wunki.org>
 Peter Hoffmann <tosh54@gmail.com>
 Pierre Riteau <priteau@ci.uchicago.edu>
+Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
 Rafael Duran Castaneda <rafadurancastaneda@gmail.com>
 Rafal Malinowski <malinowski@red-sky.pl>
 Ralf Nyren <ralf-github@nyren.net>