Make sure the GAC Assembly and local Assembly have different version numbers (not a bad idea to let your build number, at least, auto-increment by wild-carding your AssemblyVersion in AssemblyInfo: [assembly: AssemblyVersion(“1.0.0.*”)] ). Then, redirect your assembly binding using your app’s config:
- http://msdn.microsoft.com/en-us/library/2fc472t2(VS.80).aspx
- http://msdn.microsoft.com/en-us/library/433ysdt1(VS.80).aspx.
In your case, you won’t need the “appliesTo” attribute of the assemblyBinding config. You just need something like:
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="YourAssembly" publicKeyToken="AAAAAAAAAAAA" culture="neutral"/>
<bindingRedirect oldVersion="0.0.0.0-5.2.1.0" newVersion="5.0.8.1"/>
</dependentAssembly>
</assemblyBinding>
</runtime>