diff --git a/preface.asciidoc b/preface.asciidoc
index 6edad2a3..9007f5de 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -144,25 +144,54 @@ Thank you all for supporting me throughout this journey.
 
 Many contributors offered comments, corrections, and additions to the early-release draft on GitHub. Thank you all for your contributions to this book. Following is a list of notable GitHub contributors, including their GitHub ID in parentheses:
 
-* Minh T. Nguyen, GitHub contribution editor (enderminh)
+* Alex Waters (alexwaters)
+* Andrew Donald Kennedy (grkvlt)
+* Bryan Gmyrek (physicsdude)
+* Casey Flynn (cflynn07)
+* Chapman Shoop (belovachap)
+* Cody Scott (Siecje)
+* coinradar
+* Cragin Godley (cgodley)
+* dallyshalla
+* Diego Viola (diegoviola)
+* Dirk Jäckel (biafra23)
+* Dmitry Marakasov (AMDmi3)
+* drstrangeM
 * Ed Eykholt (edeykholt)
-* Michalis Kargakis (kargakis)
-* Erik Wahlström (erikwam)
-* Richard Kiss (richardkiss)
+* Ed Leafe (EdLeafe)
 * Eric Winchell (winchell)
-* Sergej Kotliar (ziggamon)
-* Nagaraj Hubli (nagarajhubli)
+* Erik Wahlström (erikwam)
+* effectsToCause (vericoin)
+* Esteban Ordano (eordano)
 * ethers
-* Alex Waters (alexwaters)
-* Mihail Russu (MihailRussu)
+* fabienhinault
+* Gaurav Rana (bitcoinsSG)
+* genjix
+* Holger Schinzel (schinzelh)
 * Ish Ot Jr. (ishotjr)
 * James Addison (jayaddison)
+* Jameson Lopp (jlopp)
+* Jason Bisterfeldt (jbisterfeldt)
+* JerJohn15
+* Joe Bauers (joebauers)
+* joflynn
+* Jorgeminator
+* Kai Bakker (kaibakker)
+* Mai-Hsuan Chia (mhchia)
+* Marzig (marzig76)
+* Maximilian Reichel (phramz)
+* Michalis Kargakis (kargakis)
+* Mihail Russu (MihailRussu)
+* Minh T. Nguyen, GitHub contribution editor (enderminh)
+* Nagaraj Hubli (nagarajhubli)
 * Nekomata (nekomata-3)
+* Richard Kiss (richardkiss)
+* Ruben Alexander (hizzvizz)
+* Sam Ritchie (sritchie)
+* Sergej Kotliar (ziggamon)
 * Simon de la Rouviere (simondlr)
-* Chapman Shoop (belovachap)
-* Holger Schinzel (schinzelh)
-* effectsToCause (vericoin)
 * Stephan Oeste (Emzy)
-* Joe Bauers (joebauers)
-* Jason Bisterfeldt (jbisterfeldt)
-* Ed Leafe (EdLeafe)
+* takaya-imai
+* Thiago Arrais (thiagoarrais)
+* Will Binns (wbinns)
+* Wojciech Langiewicz (wlk)