diff --git a/README b/README
index ee00a827..52c4a286 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 README: Itcl
 
-This is the 4.2.3 source distribution of Itcl, an object oriented
+This is the 4.2.4 source distribution of Itcl, an object oriented
 extension for Tcl. Itcl releases are available from Sourceforge at:
 
 https://sourceforge.net/projects/incrtcl/files/%5Bincr%20Tcl_Tk%5D-4-source/
diff --git a/configure b/configure
index 6fe61e4e..825dc803 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for itcl 4.2.3.
+# Generated by GNU Autoconf 2.71 for itcl 4.2.4.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -608,8 +608,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='itcl'
 PACKAGE_TARNAME='itcl'
-PACKAGE_VERSION='4.2.3'
-PACKAGE_STRING='itcl 4.2.3'
+PACKAGE_VERSION='4.2.4'
+PACKAGE_STRING='itcl 4.2.4'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1345,7 +1345,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures itcl 4.2.3 to adapt to many kinds of systems.
+\`configure' configures itcl 4.2.4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1407,7 +1407,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of itcl 4.2.3:";;
+     short | recursive ) echo "Configuration of itcl 4.2.4:";;
    esac
   cat <<\_ACEOF
 
@@ -1509,7 +1509,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-itcl configure 4.2.3
+itcl configure 4.2.4
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1865,7 +1865,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by itcl $as_me 4.2.3, which was
+It was created by itcl $as_me 4.2.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -9794,7 +9794,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by itcl $as_me 4.2.3, which was
+This file was extended by itcl $as_me 4.2.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -9849,7 +9849,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-itcl config.status 4.2.3
+itcl config.status 4.2.4
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 100e2b0d..0fdc134b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ dnl	to configure the system for the local environment.
 # so that we create the export library with the dll.
 #-----------------------------------------------------------------------
 
-AC_INIT([itcl],[4.2.3])
+AC_INIT([itcl],[4.2.4])
 
 #--------------------------------------------------------------------
 # Call TEA_INIT as the first TEA_ macro to set up initial vars.
diff --git a/generic/itcl.h b/generic/itcl.h
index ac2845a0..a2269e30 100644
--- a/generic/itcl.h
+++ b/generic/itcl.h
@@ -82,10 +82,10 @@ extern "C" {
 #define ITCL_MAJOR_VERSION	4
 #define ITCL_MINOR_VERSION	2
 #define ITCL_RELEASE_LEVEL      TCL_FINAL_RELEASE
-#define ITCL_RELEASE_SERIAL     3
+#define ITCL_RELEASE_SERIAL     4
 
 #define ITCL_VERSION            "4.2"
-#define ITCL_PATCH_LEVEL        "4.2.3"
+#define ITCL_PATCH_LEVEL        "4.2.4"
 
 
 /*
diff --git a/itclWidget/configure b/itclWidget/configure
index 31941ffd..6dbdedb0 100755
--- a/itclWidget/configure
+++ b/itclWidget/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for itclwidget 4.2.3.
+# Generated by GNU Autoconf 2.71 for itclwidget 4.2.4.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -608,8 +608,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='itclwidget'
 PACKAGE_TARNAME='itclwidget'
-PACKAGE_VERSION='4.2.3'
-PACKAGE_STRING='itclwidget 4.2.3'
+PACKAGE_VERSION='4.2.4'
+PACKAGE_STRING='itclwidget 4.2.4'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1360,7 +1360,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures itclwidget 4.2.3 to adapt to many kinds of systems.
+\`configure' configures itclwidget 4.2.4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1422,7 +1422,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of itclwidget 4.2.3:";;
+     short | recursive ) echo "Configuration of itclwidget 4.2.4:";;
    esac
   cat <<\_ACEOF
 
@@ -1528,7 +1528,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-itclwidget configure 4.2.3
+itclwidget configure 4.2.4
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1827,7 +1827,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by itclwidget $as_me 4.2.3, which was
+It was created by itclwidget $as_me 4.2.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -10333,7 +10333,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by itclwidget $as_me 4.2.3, which was
+This file was extended by itclwidget $as_me 4.2.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -10388,7 +10388,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-itclwidget config.status 4.2.3
+itclwidget config.status 4.2.4
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/itclWidget/configure.ac b/itclWidget/configure.ac
index d611f34f..5b7f820a 100644
--- a/itclWidget/configure.ac
+++ b/itclWidget/configure.ac
@@ -10,7 +10,7 @@
 # so you can encode the package version directly into the source files.
 #-----------------------------------------------------------------------
 
-AC_INIT([itclwidget],[4.2.3])
+AC_INIT([itclwidget],[4.2.4])
 
 #--------------------------------------------------------------------
 # Call TEA_INIT as the first TEA_ macro to set up initial vars.
diff --git a/releasenotes.txt b/releasenotes.txt
index a2dce09b..cff9c328 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,4 +1,4 @@
-This is the release 4.2.3 of Itcl.
+This is the release 4.2.4 of Itcl.
 
 It is intended to be script compatible with Itcl 4.0.* and Itcl 3.4.* .
 It very likely presents the same public C interface as Itcl 4.0.* .