diff --git a/CREDITS.txt b/CREDITS.txt
index 2b42a8458..0bc8a8637 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1879,3 +1879,4 @@ Jurij Peternel
 George Aandahl
 Guy Dangerfield
 Thomas Limpert
+Ismael G Zapater