Index: modules/controlwidget/tachometer.tcl
--- modules/controlwidget/tachometer.tcl.orig
+++ modules/controlwidget/tachometer.tcl
@@ -45,6 +45,6 @@
 #
 
-package require Tk  8.5
+package require Tk
 package require snit
 package provide tachometer 0.1
 
