depo weight gain

Thinking about getting on the depo shot .. but I hear from some people it makes you gain weight is this true ?? I would want to gain a little weight but not to the point were I'm huge I have always been a small person before I had my baby I weighed 95 pounds now I weight 104 so a little weight gain for me I would like I just don't want to be huge has anyone gained weight off depo in a good way ??