diff --git a/README.md b/README.md
index b2d310b..430e40f 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,9 @@ Download and read data and metadata from repositories in the DataONE network.
 
 ## Authors
 
-Julien Brun, Irene Steves, Mitchell Maier, Kristen Peach and Nick Lyon.
+Julien Brun, Irene Steves, Mitchell Maier, Kristen Peach and Nick Lyon as main contributors; with special thanks to Colin Smith, Derek Strong and Nathan Hwangbo for their contributions to this package.
+
+
 
 ## Installation