diff --git a/js/common/EESharedConstants.js b/js/common/EESharedConstants.js
index 28c73ed6..b4968772 100644
--- a/js/common/EESharedConstants.js
+++ b/js/common/EESharedConstants.js
@@ -1,4 +1,4 @@
-// Copyright 2016-2018, University of Colorado Boulder
+// Copyright 2016-2019, University of Colorado Boulder
 
 /**
  * Constants that are shared between the various portions of the Expression Exchange simulation.
diff --git a/js/common/model/ExpressionManipulationModel.js b/js/common/model/ExpressionManipulationModel.js
index 45740b76..be68aa15 100644
--- a/js/common/model/ExpressionManipulationModel.js
+++ b/js/common/model/ExpressionManipulationModel.js
@@ -1,4 +1,4 @@
-// Copyright 2015-2017, University of Colorado Boulder
+// Copyright 2015-2019, University of Colorado Boulder
 
 /**
  * A model that allows users to move coin terms around, combine them into expressions, edit the expressions, change the
diff --git a/js/common/view/AbstractCoinTermNode.js b/js/common/view/AbstractCoinTermNode.js
index 1a15e745..e952c73d 100644
--- a/js/common/view/AbstractCoinTermNode.js
+++ b/js/common/view/AbstractCoinTermNode.js
@@ -1,4 +1,4 @@
-// Copyright 2016-2018, University of Colorado Boulder
+// Copyright 2016-2019, University of Colorado Boulder
 
 /**
  * base type for the nodes that represent coin terms in the view, this exists primarily to avoid code duplication
diff --git a/js/common/view/ExpressionExplorationScreenView.js b/js/common/view/ExpressionExplorationScreenView.js
index 8b65845d..79e69d1a 100644
--- a/js/common/view/ExpressionExplorationScreenView.js
+++ b/js/common/view/ExpressionExplorationScreenView.js
@@ -1,4 +1,4 @@
-// Copyright 2016-2018, University of Colorado Boulder
+// Copyright 2016-2019, University of Colorado Boulder
 
 /**
  * Base class for views where the user creates and manipulates expressions - used for the explore screens.  This adds
diff --git a/js/common/view/ExpressionOverlayNode.js b/js/common/view/ExpressionOverlayNode.js
index 16cf7a8f..75f18c73 100644
--- a/js/common/view/ExpressionOverlayNode.js
+++ b/js/common/view/ExpressionOverlayNode.js
@@ -1,4 +1,4 @@
-// Copyright 2016-2018, University of Colorado Boulder
+// Copyright 2016-2019, University of Colorado Boulder
 
 /**
  * a node that is placed on the top layer of an expression to allow it to be dragged and to prevent input events from
diff --git a/js/game/view/LevelSelectionNode.js b/js/game/view/LevelSelectionNode.js
index 488d57a2..18d89a7e 100644
--- a/js/game/view/LevelSelectionNode.js
+++ b/js/game/view/LevelSelectionNode.js
@@ -1,4 +1,4 @@
-// Copyright 2016-2018, University of Colorado Boulder
+// Copyright 2016-2019, University of Colorado Boulder
 
 /**
  * A node that fills most of the screen and allows the user to select the game level that they wish to play.