qmake targets "sis" and "installer_sis" produces sis packages with different versions

As mentioned here
http://doc.qt.nokia.com/smart-instal...vi-signed.html
all Qt apps for Ovi store should be packaged with smart installer.

I want to assign version number to my package. It's no problem when it comes
to "inner" sis package. Here's part of project file:

VERSION_MAJOR = 1
VERSION_MINOR = 1

packageheader = "$${LITERAL_HASH}

,(some uid), $${VERSION_MAJOR}, $${VERSION_MINOR}, 0, TYPE=SA"

my_deployment.pkg_prerules = packageheader
DEPLOYMENT += my_deployment

I issue:
make sis
and get inner package with version I set in *.pro file.

But how to set version number of "outer" package with smart-installer?
It doesn't respect version from project file.

When I issue:
make installer_sis
I get "outer" package of version 1.0.

"Outer" package should get same version number as "inner" package or there should be a way to set it in project file.