diff --git a/configure b/configure
index 7267aaa22a..57f284bf29 100755
--- a/configure
+++ b/configure
@@ -1658,8 +1658,8 @@ test -n "$target_alias" &&
 
 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
@@ -1667,9 +1667,9 @@ WX_SUBVERSION=$WX_VERSION.$wx_subrelease_number
 
 WX_MSW_VERSION=$wx_major_version_number$wx_minor_version_number$wx_release_number
 
-WX_CURRENT=3
+WX_CURRENT=4
 WX_REVISION=0
-WX_AGE=3
+WX_AGE=4
 
 
 
diff --git a/configure.in b/configure.in
index 76046e56f3..0a50283ed3 100644
--- a/configure.in
+++ b/configure.in
@@ -64,9 +64,9 @@ WX_SUBVERSION=$WX_VERSION.$wx_subrelease_number
 
 WX_MSW_VERSION=$wx_major_version_number$wx_minor_version_number$wx_release_number
 
-WX_CURRENT=3
+WX_CURRENT=4
 WX_REVISION=0
-WX_AGE=3
+WX_AGE=4
 
 
 dnl ------------------------------------------------------------------------