diff --git a/configure b/configure
index 8b47a5f429..f96dd0a0f3 100755
--- a/configure
+++ b/configure
@@ -1086,7 +1086,7 @@ test "$host_alias" != "$target_alias" &&
 
 WX_MAJOR_VERSION_NUMBER=2
 WX_MINOR_VERSION_NUMBER=4
-WX_RELEASE_NUMBER=3
+WX_RELEASE_NUMBER=2
 
 WX_VERSION=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER.$WX_RELEASE_NUMBER
 WX_RELEASE=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER
diff --git a/configure.in b/configure.in
index cc79c8c0b8..48064eb81c 100644
--- a/configure.in
+++ b/configure.in
@@ -48,7 +48,7 @@ dnl   libwx_$(TOOLKIT)-$(WX_RELEASE).so.$(WX_CURRENT).$(WX_REVISION).$(WX_AGE)
 
 WX_MAJOR_VERSION_NUMBER=2
 WX_MINOR_VERSION_NUMBER=4
-WX_RELEASE_NUMBER=3
+WX_RELEASE_NUMBER=2
 
 WX_VERSION=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER.$WX_RELEASE_NUMBER
 WX_RELEASE=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER
diff --git a/debian/changelog b/debian/changelog
index cdd64508dc..23adc8e773 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -9,6 +9,12 @@ wxwindows2.4 (2.4.3.1) unstable; urgency=high
     stupid that relies on them, even tangentially.  Too late to
     test that now, so be on notice, its a sign-o-the-times for etch.
   * New artwork.  See below.
+  * Forge the internal version number to be wx2.4.2 / wxPy2.4.2.4 for
+    this release, to be 100% compatible with the binaries already in
+    testing.  Some packages (boa-constructor being the first reported)
+    check this at runtime and cannot tolerate a library version upgrade
+    without modification to their own code.  This is an issue to resolve
+    after the freeze.
 
  -- Ron Lee <ron@debian.org>  Wed, 25 May 2005 11:36:49 +0930
 
diff --git a/include/wx/version.h b/include/wx/version.h
index 1eaea7ed53..cebe9ecde7 100644
--- a/include/wx/version.h
+++ b/include/wx/version.h
@@ -15,13 +15,13 @@
 // Bump-up with each new version
 #define wxMAJOR_VERSION    2
 #define wxMINOR_VERSION    4
-#define wxRELEASE_NUMBER   3
-#define wxVERSION_STRING   _T("wxWindows 2.4.3")
+#define wxRELEASE_NUMBER   2
+#define wxVERSION_STRING   _T("wxWindows 2.4.2")
 
 // These are used by src/msw/version.rc and should always be ASCII, not Unicode
 // and must be updated manually as well each time the version above changes
-#define wxVERSION_NUM_DOT_STRING   "2.4.3"
-#define wxVERSION_NUM_STRING       "243"
+#define wxVERSION_NUM_DOT_STRING   "2.4.2"
+#define wxVERSION_NUM_STRING       "242"
 
 // nothing should be updated below this line when updating the version
 
diff --git a/wxPython/setup.py b/wxPython/setup.py
index b7c752b53c..ed0ab97960 100755
--- a/wxPython/setup.py
+++ b/wxPython/setup.py
@@ -15,8 +15,8 @@ from distutils.command.install_data import install_data
 
 VER_MAJOR        = 2      # The first three must match wxWindows
 VER_MINOR        = 4
-VER_RELEASE      = 3
-VER_SUBREL       = 1       # wxPython release num for x.y.z release of wxWindows
+VER_RELEASE      = 2
+VER_SUBREL       = 4       # wxPython release num for x.y.z release of wxWindows
 VER_FLAGS        = ""      # release flags, such as prerelease num, unicode, etc.
 
 DESCRIPTION      = "Cross platform GUI toolkit for Python"
diff --git a/wxPython/src/__version__.py b/wxPython/src/__version__.py
index 2d08d79aea..96584a3b7b 100644
--- a/wxPython/src/__version__.py
+++ b/wxPython/src/__version__.py
@@ -1,10 +1,10 @@
 # This file was generated by setup.py...
 
-wxVERSION_STRING  = '2.4.3.1'
+wxVERSION_STRING  = '2.4.2.4'
 wxMAJOR_VERSION   = 2
 wxMINOR_VERSION   = 4
-wxRELEASE_VERSION = 3
-wxSUBREL_VERSION  = 1
+wxRELEASE_VERSION = 2
+wxSUBREL_VERSION  = 4
 
 wxVERSION = (wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_VERSION,
              wxSUBREL_VERSION, '')