Could not load file or assembly issue after installing Microsoft.AspNet.SignalR Nuget Package

I have an asp.net web forms application. It contains multiple projects and third-party dlls. One of the dlls is using log4net version 1.2.9.0 whereas other projects and dlls are using log4net version 1.2.10.0 and as a result, there is an error.

Could not load file or assembly 'log4net, Version=1.2.9.0, Culture=neutral, PublicKeyToken=b32731d11ce58905' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

I see this error when we build the application but even then my application runs perfectly. Now I need to implement SignalR in this application. After installing the NuGet package for SignalR, I get 500 - Server Internal Error and when I go into the details of error by putting httpErrors attribute in web.config file.

httpErrors errorMode="Custom" existingResponse="PassThrough"

I get error details on the page.

Could not load file or assembly 'log4net, Version=1.2.9.0, Culture=neutral, PublicKeyToken=b32731d11ce58905' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Kindly help me resolve the issue.

I have tried resolving log4net issue by putting the following

<dependentAssembly>
    <assemblyIdentity name="log4net" publicKeyToken="b32731d11ce58905" culture="neutral" />
    <bindingRedirect oldVersion="1.2.9.0" newVersion="1.2.10.0" />
  </dependentAssembly>"

but it did not work, probably, publicKeyToken for both versions is different