How can I install rasa_core with tensorflow version >= 1.13.1?

Question

I have to install rasa_core to work with tensorflow. But it is giving an error while installing rasa_core with tensorflow version >=1.13.1. The given error is

Could not find a version that satisfies the requirement tensorflow~=1.12.0 (from rasa_core) (from versions: 1.13.0rc1, 1.13.0rc2, 1.13.1, 2.0.0a0)
No matching distribution found for tensorflow~=1.12.0 (from rasa_core)