diff --git a/CREDITS.md b/CREDITS.md
index 8fb2131..0d11efd 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -73,6 +73,7 @@
 
 * Frank Breedijk
  - JSON and CSV output
+ - Client simulations
 
 * Bug reports:
   - Viktor Szépe, Olivier Paroz, Jan H. Terstegge, Lorenz Adena, Jonathon Rossi, Stefan Stidl, Frank Breedijk