Image Watermark to be updated if the original image gets changed.

I would love to see the updated image watermark gets reflected as soon as I make the changes - let's say on photoshop and hit save -. Every time I make changes to the watermark on photoshop I have then go back to C1 to disable the watermark and re-enable it and sometimes I have I have to load a different image first then re-pic the new updated image. It does not update the new watermark image. Can we have something about that, please? Thank you!