There are several ways to solve this issue, as @keltymd mentioned. 
If you still want to use smart bulbs, see the following thread. It discusses the options that will allow you to do that.
FAQ: Philips Hue and Other Smart Bulbs - What sort of light switches to use with them? (Long FAQ)
If you want to switch to using to dumb bulbs, then pretty much any SmartThings – compatible “smart switch” will work. That includes Z wave toggles and rocker switches, zigbee switches, even wifi switches if they work with smart things. Or you can go to the relay in the wall option.
So you will have a lot of choices. 