diff --git a/copyright.txt b/copyright.txt
index b87c41f44..a16f15852 100644
--- a/copyright.txt
+++ b/copyright.txt
@@ -10,6 +10,7 @@ Gunnar Morling
 Ivo Smid
 Michael Pardo
 Mustafa Caylak
+Oliver Ehrenmüller
 Paul Strugnell
 Remko Plantenga
 Sebastian Hasait