diff --git a/preface.asciidoc b/preface.asciidoc
index bba58c7a..16ce0956 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -254,6 +254,7 @@ The following is a list of notable GitHub contributors:
 * Marco Falke (MarcoFalke)
 * María Martín (mmartinbar)
 * Mark Pors (pors)
+* Martin Vseticka (MartyIX)
 * Marzig (marzig76)
 * Matt McGivney (mattmcgiv)
 * Maximilian Reichel (phramz)