diff --git a/js/common/view/sound/BoundarySoundClip.ts b/js/common/view/sound/BoundarySoundClip.ts
index 9e42d02f..8da662fd 100644
--- a/js/common/view/sound/BoundarySoundClip.ts
+++ b/js/common/view/sound/BoundarySoundClip.ts
@@ -1,4 +1,4 @@
-// Copyright 2020-2021, University of Colorado Boulder
+// Copyright 2020-2022, University of Colorado Boulder
 
 /**
  * A short sound to indicate when a movable component has reached the boundary of its movable bounds. This sound supports
diff --git a/js/common/view/sound/TickMarkBumpSoundClip.ts b/js/common/view/sound/TickMarkBumpSoundClip.ts
index c36cc954..03b7b25f 100644
--- a/js/common/view/sound/TickMarkBumpSoundClip.ts
+++ b/js/common/view/sound/TickMarkBumpSoundClip.ts
@@ -1,4 +1,4 @@
-// Copyright 2020-2021, University of Colorado Boulder
+// Copyright 2020-2022, University of Colorado Boulder
 
 /**
  * A short sound to indicate when a movable component has crossed over a tick mark.
diff --git a/js/discover/view/ChallengeRatioComboBoxNode.ts b/js/discover/view/ChallengeRatioComboBoxNode.ts
index 3bce8fc2..d4e342a6 100644
--- a/js/discover/view/ChallengeRatioComboBoxNode.ts
+++ b/js/discover/view/ChallengeRatioComboBoxNode.ts
@@ -1,4 +1,4 @@
-// Copyright 2020-2021, University of Colorado Boulder
+// Copyright 2020-2022, University of Colorado Boulder
 
 /**
  * @author Michael Kauzmann (PhET Interactive Simulations)