diff --git a/preface.asciidoc b/preface.asciidoc
index d1556c76..afef8b60 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -276,12 +276,14 @@ The following is a list of notable GitHub contributors:
 * rszheng
 * Ruben Alexander (hizzvizz)
 * Sam Ritchie (sritchie)
+* Sanjay Sanathanan (sanjays95)
 * Sebastian Falbesoner (theStack)
 * Sergej Kotliar (ziggamon)
 * Seiichi Uchida (topecongiro)
 * Simon de la Rouviere (simondlr)
 * Stacie (staciewaleyko)
 * Stephan Oeste (Emzy)
+* Stéphane Roche (Janaka-Steph)
 * takaya-imai
 * Thiago Arrais (thiagoarrais)
 * Thomas Kerin (afk11)