diff --git a/AUTHORS.txt b/AUTHORS.txt
index d4f0f4a78..8c764f5ea 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -328,3 +328,5 @@ Amanpreet Singh <apsdehal@gmail.com>
 Alexey Balchunas <bleshik@gmail.com>
 Peter Kehl <peter.kehl@gmail.com>
 Peter Dave Hello <hsu@peterdavehello.org>
+Johannes Schäfer <johnschaefer@gmx.de>
+Ville Skyttä <ville.skytta@iki.fi>