Cassandra Damper is now charged with aggravated assault with reckless serious bodily injury.
She was previously charged with tampering with evidence after police said she tried to wipe off her hands before testing for gun powder residue.
Damper's attorney Monique Sparks confirmed the charges Wednesday morning.
The shooting happened on Easter Sunday around 2 a.m. at the Valero gas station on Almeda and Southmore in southwest Houston.
Police say the victim, Devyn Holmes, was inside of a parked car with Damper and another man who were playing with guns on Facebook Live.
RELATED: Facebook Live captures moment Houston man accidentally shot in head outside gas station
Facebook Live captures moment Houston man shot in head
Authorities say Damper accidentally fired a shot, hitting Holmes in the head.
According to Holmes' mother, he was in stable condition after undergoing surgery at Ben Taub Hospital, at last check.
Victim's mother thinks Facebook Live shooting was intentional
Victim's mother thinks Facebook Live shooting was intentional
Damper appeared in court Tuesday afternoon.
She was out on bond and given an ankle monitor and curfew.
The district attorney said new charges were filed Tuesday night.
Off-duty firefighter helped save man's life in Facebook Live shooting
Firefighter speaks out after saving man shot during Facebook Live video