Renamed Project, WSP name doesn't change

changed project name, still i'm getting wsp name visual studio

Open The Package.Package file and change then Name attribute.

Example

<package xmlns:dm0="http://schemas.microsoft.com/VisualStudio/2008/DslTools/Core" 
dslVersion="1.0.0.0" Id="d3150724-5644-479c-99f3-fc99af5bfdc6" 
solutionId="d3150724-5644-479c-99f3-fc99af5bfdc6" resetWebServer="true" 
sharePointProductVersion="15.0"
name="NEWNAME" 
xmlns="http://schemas.microsoft.com/VisualStudio/2008/SharePointTools/PackageModel">