Unless your Apache daemon was compiled 5 years ago your site probably already supports it.
You can check domains here:
https://www.ssllabs.com/ssltest/
Don't forget this will also have some effect on the customer side. Anyone with an older browser, or a misconfigured one (I discovered a few months ago that for some reason mine was set to only support TLS 1.1 and specifically ignore TLS 1.2???) will not be able to load the ccbill pages.