Republican Ohio Gov. John Kasich and Democratic Colorado Gov. John Hickenlooper are teaming up for an event at the National Press Club Tuesday where the pair will discuss the Senate's healthcare bill.

Senate Republicans released their proposal to partially repeal and replace Obamacare last week, and the plan was immediately met with skepticism from some GOP senators and governors.

Neither Kasich nor Hickenlooper are fond of the Senate's bill — Kasich said last week he had "deep concerns" with the proposal, and Hickenlooper said the plan would "take Colorado backward."

The governors also criticized the process by which the legislation was drafted, as a group of Republican senators spent several weeks working on the bill behind closed doors before revealing the plan last week.

Hickenlooper and Kasich have been calling for congressional Republicans and Democrats to work together in drafting a new healthcare plan, and outlined their principles for a proposal to improve the healthcare system in an opinion piece published in the Washington Post last week—two days before the Senate unveiled its healthcare bill.

"Historically, the one-party solutions are not sustainable," Hickenlooper and Kasich wrote. "The bipartisan principles we propose provide a more stable starting point to bring Republicans and Democrats together on lasting reforms."

The event will take place at 10:30 am on Tuesday at the National Press Club in Washington, D.C.