diff --git a/preface.asciidoc b/preface.asciidoc
index fd99f011..70b46a56 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -183,6 +183,7 @@ Following is a list of notable GitHub contributors, including their GitHub ID in
 * Cragin Godley (cgodley)
 * Craig Dodd (cdodd)
 * dallyshalla
+* Darius Kramer (dkrmr)
 * Diego Viola (diegoviola)
 * Dirk Jäckel (biafra23)
 * Dimitris Tsapakidis (dimitris-t)