diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 33f763ba..689f552b 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -151,3 +151,6 @@
 
 - Eugene Dvoretsky
   Yen threshold implementation.
+
+- Riaan van den Dool
+  skimage.io plugin: GDAL