diff --git a/tinyfts-dev.tcl b/tinyfts-dev.tcl
index f9e942a..ecbe9b8 100644
--- a/tinyfts-dev.tcl
+++ b/tinyfts-dev.tcl
@@ -1,7 +1,8 @@
 #! /usr/bin/env tclsh
 # tinyfts: a very small standalone full-text search HTTP server.
 # ==============================================================================
-# Copyright (c) 2019-2022 D. Bohdan and contributors listed in AUTHORS
+# Copyright (c) 2019-2022, 2024 D. Bohdan
+# and contributors listed in AUTHORS
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +23,7 @@
 # THE SOFTWARE.
 # ==============================================================================
 
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 package require sqlite3 3.9
 
 
diff --git a/tools/dir2json b/tools/dir2json
index 16287f0..9c55711 100755
--- a/tools/dir2json
+++ b/tools/dir2json
@@ -3,7 +3,8 @@
 # file(1) to determine what is a text file.  It attempts to extract text from
 # HTML using tDOM.
 # ==============================================================================
-# Copyright (c) 2022 D. Bohdan and contributors listed in AUTHORS
+# Copyright (c) 2022, 2024 D. Bohdan
+# and contributors listed in AUTHORS
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -24,7 +25,7 @@
 # THE SOFTWARE.
 # ==============================================================================
 
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 package require fileutil 1
 package require json::write 1
 package require tdom
@@ -116,4 +117,4 @@ if {[info exists argv0] && ([file tail [info script]] eq [file tail $argv0])} {
         exit 0
     }
     main {*}$argv
-}
\ No newline at end of file
+}
diff --git a/tools/import b/tools/import
index 549f7b4..b1c01d8 100755
--- a/tools/import
+++ b/tools/import
@@ -1,7 +1,8 @@
 #! /usr/bin/env tclsh
 # A tool to import data into a tinyfts database.
 # ==============================================================================
-# Copyright (c) 2019, 2021-2023 D. Bohdan and contributors listed in AUTHORS
+# Copyright (c) 2019, 2021-2024 D. Bohdan
+# and contributors listed in AUTHORS
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +23,7 @@
 # THE SOFTWARE.
 # ==============================================================================
 
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 package require fileutil 1
 package require http 2
 package require json 1
diff --git a/tools/titlecat b/tools/titlecat
index 602bfca..553e8ab 100755
--- a/tools/titlecat
+++ b/tools/titlecat
@@ -1,7 +1,8 @@
 #! /usr/bin/env tclsh
 # Concatenate files with a comment containing the filename before each.
 # ==============================================================================
-# Copyright (c) 2019, 2021-2022 D. Bohdan and contributors listed in AUTHORS
+# Copyright (c) 2019, 2021-2022, 2024 D. Bohdan
+# and contributors listed in AUTHORS
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +23,7 @@
 # THE SOFTWARE.
 # ==============================================================================
 
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 package require fileutil 1
 
 
diff --git a/tools/wrap b/tools/wrap
index 337910f..2f7019c 100755
--- a/tools/wrap
+++ b/tools/wrap
@@ -1,7 +1,8 @@
 #! /usr/bin/env tclsh
 # Store any data in Tcl source code.
 # ==============================================================================
-# Copyright (c) 2019, 2021-2022 D. Bohdan and contributors listed in AUTHORS
+# Copyright (c) 2019, 2021-2022, 2024 D. Bohdan
+# and contributors listed in AUTHORS
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +23,7 @@
 # THE SOFTWARE.
 # ==============================================================================
 
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 package require fileutil 1
 
 namespace eval wrap {}
diff --git a/vendor/wapp/wapp.tcl b/vendor/wapp/wapp.tcl
index d3f808f..370b0c7 100644
--- a/vendor/wapp/wapp.tcl
+++ b/vendor/wapp/wapp.tcl
@@ -1,5 +1,5 @@
 # Copyright (c) 2017 D. Richard Hipp
-# 
+#
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the Simplified BSD License (also
 # known as the "2-Clause License" or "FreeBSD License".)
@@ -16,7 +16,7 @@
 #
 #   (2)  Indentifiers intended for internal use only begin with "wappInt"
 #
-package require Tcl 8.6-10
+package require Tcl 8.6 9
 
 # Add text to the end of the HTTP reply.  No interpretation or transformation
 # of the text is performs.  The argument should be enclosed within {...}