Change workbench moderation state with VBO does not work properly

I have two workbench moderation states draft and publihsed

When I try to change the state of a node from draft to published using VBO’s set moderation state action, It actually republish the published revision. While it should publish the draft revision.

In the screenshot, it move the draft to published with revision 4 and that should be the published revision. But it is pointing to the revision 3 that this is the published revision.

Is there any workaround for this issue?

Any hint where to look?