Google migrating from OpenID to OAuth
`OpenID 2.0 for Google accounts is going away.
Developers should migrate to OpenID Connect by April 20, 2015. Learn more.`

https://support.google.com/accounts/answer/6135882

Should perhaps update the `passport-google`  to `passport-google-auth`  module: https://github.com/jaredhanson/passport-google-oauth
