diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 784f0f8..e356bb7 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -7,6 +7,7 @@
  Diego Nava
  Emerson Knapp
  Farshad Nematdoust
+ Heckel, Robert J
  Ilkka Tengvall
  Ismael
  Jack Ivy