diff --git a/CREDITS.TXT b/CREDITS.TXT
index 4ed26eb368..d253ede567 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -56,3 +56,4 @@ Benoit Lecocq: OpenBSD package.
 Christophe Avoinne (Hlide): Improve memory management for better performance.
 Michael Cohen & Nguyen Tan Cong: Python module installer.
 Adel Gadllah, Francisco Alonso & Stefan Cornelius: RPM package.
+Felix Gröbert (Google): fuzz testing harness.