diff --git a/LICENSE.md b/LICENSE.md
index d9ca31f..2e0375b 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2016 Max Planck Institute for the History of Science
+Copyright (c) 2016-2018 Max Planck Institute for the History of Science
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal