An adjustable pet carrier restraint is configured to accept various sizes, shapes, and configurations of pet carriers. The pet carrier restraint is tethered to a vehicles child seat restraint system anchors to secure the pet carrier at up to three points. The pet carrier restraint is collapsible and may be positioned against a seat back when no pet carrier is secured therein to allow human passengers to comfortably be seated in the same seat without removal of the pet carrier restraint.
