Parliament approved same-sex marriage last year but conservative have used a loophole to force a vote by the general population.
Also, those who identify as trans are not able to adopt.
It is a first step, but more must be done.
The statement comes after a documentary seemed to depict Pope Francis endorsing the unions.
Legislators raised the requirement to overturn the anti-LGBTQ+ laws.
Tomas Raskevičius famously campaigned in drag, and is the first out candidate to win office in the country's history.
Though it could still be overturned via a public referendum, it's highly unlikely.