diff --git a/preface.asciidoc b/preface.asciidoc
index 18de0d20..ffeebaec 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -212,6 +212,7 @@ The following is a list of notable GitHub contributors:
 * genjix
 * Geremia
 * Gerry Smith (Hermetic)
+* Gregory Trubetskoy (grisha)
 * Gus (netpoe)
 * halseth
 * Harry Moreno (morenoh149)