Robinson, 24, signed on with the Packers after he tried out for the team in May of last year. He wound up going undrafted out of Miami (FL).
Robinson would have made a base salary of $510,000 for the 2015 season before becoming an exclusive rights free agent next year.
According to OverTheCap.com, releasing will free up $510,000 in available cap space while creating no dead money.
In 2014, Robinson appeared in five games for the Packers and recorded two tackles and a pass defense.