diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index b91e9522..aba19f3b 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -74,3 +74,7 @@
 
 - David-Warde Farley, Sturla Molden
   Bresenheim line drawing, from snippets on numpy-discussion.
+
+- Christoph Gohlke
+  Windows packaging and Python 3 compatibility.
+