The new iPhone is here and since it is taller than your old iPhone you are going to need a new case.  You will find a few here that you might like.

Black Cat Personal iPhone 5 Case by kahmier

Elegant Fractal Touch of Red iPhone 5 Case by kahmier
Yellow
Blue
Green
Pink

American Flag Personal iPhone 5 Case by kahmier

Black Dog Personal iPhone 5 Case by kahmier
More Pet Casemate Cases

Big Yellow Spider iPhone 5 Case by kahmier

Basketball Personal iPhone 5 Case by kahmier

Evil Eyes Personal iPhone 5 Case by kahmier

Vertical Stripes of Slate and Cream iPhone 5 Case by kahmier