diff --git a/ports/zlib/LICENSE b/ports/zlib/LICENSE
index 9b2f94711c..ca5fddfe0d 100644
--- a/ports/zlib/LICENSE
+++ b/ports/zlib/LICENSE
@@ -1,4 +1,4 @@
-Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
+  Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages