diff --git a/js/NumberPicker.js b/js/NumberPicker.js
index 74ee5ab9..af86acec 100644
--- a/js/NumberPicker.js
+++ b/js/NumberPicker.js
@@ -1,4 +1,4 @@
-// Copyright 2014-2018, University of Colorado Boulder
+// Copyright 2014-2019, University of Colorado Boulder
 
 /**
  * User-interface component for picking a number value from a range.