diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 92f615f2..eab4f34b 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -31,3 +31,4 @@
 * Ryan Novosielski <novosirj@rutgers.edu>
 * Andreas Skau <andreas@scheen.no> @buzh
 * Dietmar Rieder <dietmar.rieder@i-med.ac.at>
+* Andreas Henkel <henkel@uni-mainz.de>