A 37-year-old man was threatened at knifepoint as he was walking back from Matchborough Centre at about 9pm on Thursday, May 1.
The victim was approached by a man who demanded money before pulling out a small pocket knife.
The man did not hand over any money and managed to make his way home, where he called the police.
The attacker was white, aged about 18, about 5ft 7ins tall and of medium build, with light-coloured, closely cropped hair.
He was wearing a dark tracksuit top and bottoms.
Anyone with information can call DC Andy Jones at Redditch CID on 08457 444 888 or Crimestoppers anonymously on 0800 555111.
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