diff --git a/preface.asciidoc b/preface.asciidoc
index 355f0ff9..d14ddba7 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -253,6 +253,7 @@ Following is a list of notable GitHub contributors, including their GitHub ID in
 * Sergej Kotliar (ziggamon)
 * Seiichi Uchida (topecongiro)
 * Simon de la Rouviere (simondlr)
+* Stacie (staciewaleyko)
 * Stephan Oeste (Emzy)
 * takaya-imai
 * Thiago Arrais (thiagoarrais)