diff --git a/CREDITS.txt b/CREDITS.txt
index 3ef19309b..d34e381b3 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1966,3 +1966,4 @@ N Haasnoot
 Rick Smith
 Randall Grant
 Patrick Degouy
+Piotr Zdanowski