diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index d4489e3f..d56d3933 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -14,3 +14,4 @@ If you have contributed, please add your name below. Please put one name (or pse
 * Dave Statezni
 * Bram van den Heuvel
 * C. Harry Harriss
+* Hendrik "Henry" de Vries