The summer release of the X-Files movie (The X-Files: I Want to Believe) isn’t the only exciting news for Gillian Anderson – the actress is pregnant with her third child!

Gillian Anderson, who plays Dana Scully in The X-Files, and boyfriend Mark Griffiths broke the news to People.com. The couple have a son, Oscar, and Gillian Anderson has a 13-year old daughter, Piper, from a previous marriage.

The X-Files: I Want to Believe hits theaters July 25.