Wyo. Stat. § 1-28-110: Motion to vacate or modify injunction.

When an injunction has been granted a party may, before trial, apply to the court in which the action is pending, or a judge thereof, or to the supreme court or a judge thereof, to vacate or modify the same. The party applying for vacation or modification shall give the adverse party reasonable notice of the time and place for hearing the motion. The application may be made upon the petition and affidavits upon which the injunction was granted, or upon affidavits of the party enjoined, with or without answer.