diff --git a/AUTHORS b/AUTHORS
index 8328ed20..a8606038 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,10 +1,11 @@
-# List of authors for Sanmill, as of May 23, 2021
+# List of authors for Sanmill, as of Jul 4, 2021
 
 # Founders of the Sanmill project
 Calcitem (calcitem)
 
 # all other authors of the code in alphabetical order
 Christian Weiske (cweiske)
+Diego (sguinetti)
 
 # Some of the code has been adapted and modified on the basis of Stockfish, NineChess and ChessRoad etc.