We need to add an `allowInsecureConnections` property into `packageSources` section in NuGet.Config files, as below: ``` <!-- Allows insecure connections on a specific http source --> <packageSources> <add key="Contoso" value="http://contoso.com/packages/" allowInsecureConnections="true" /> </packageSources> ``` Spec: https://github.com/NuGet/Home/blob/dev/proposed/2023/InsecureConnectionsDisableCertificateValidation.md#package-source-nuget-config