Google Play and OpenSSL warning message

Question

I just received an email from Google play stating:

Hello,

One or more of your apps is running an outdated version of OpenSSL, which has

Answer 1

I also have this problem because the version of Facebook's SDK I am using is not updated. So if you are using it too, just try to use the updated version of Facebook's SDK v3.21.1, and that warning is solved.