diff --git a/configure.in b/configure.in
index 312ed748b8..76046e56f3 100644
--- a/configure.in
+++ b/configure.in
@@ -55,8 +55,8 @@ dnl   libwx_$(TOOLKIT)-$(WX_RELEASE).so.$(WX_CURRENT).$(WX_REVISION).$(WX_AGE)
 
 wx_major_version_number=2
 wx_minor_version_number=5
-wx_release_number=3
-wx_subrelease_number=3
+wx_release_number=4
+wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number