diff --git a/configure.in b/configure.in
index 23e458ac39..36bc6e3390 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=0
+WX_RELEASE_NUMBER=1
 
 WX_VERSION=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER.$WX_RELEASE_NUMBER
 WX_RELEASE=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER