diff --git a/keybinding.go b/keybinding.go
index 946864d..03fe677 100644
--- a/keybinding.go
+++ b/keybinding.go
@@ -68,9 +68,12 @@ const (
 	KeyArrowLeft      = Key(termbox.KeyArrowLeft)
 	KeyArrowRight     = Key(termbox.KeyArrowRight)
 
-	MouseLeft   = Key(termbox.MouseLeft)
-	MouseMiddle = Key(termbox.MouseMiddle)
-	MouseRight  = Key(termbox.MouseRight)
+	MouseLeft      = Key(termbox.MouseLeft)
+	MouseMiddle    = Key(termbox.MouseMiddle)
+	MouseRight     = Key(termbox.MouseRight)
+	MouseRelease   = Key(termbox.MouseRelease)
+	MouseWheelUp   = Key(termbox.MouseWheelUp)
+	MouseWheelDown = Key(termbox.MouseWheelDown)
 )
 
 // Keys combinations.