You can give them a heads-up about the outdated link and gently suggest they add your link.
The infographic, the ultimate content image, is the crown jewel. Informationgraphics with great content that's worth linking back to are a sure way to lose backlinks. If you want to attract a new and repeat audience to visit your website, then creating great content is the key.
Comprehensive guides can contain a lot of information on one page. My guide to link building actually has 4,834 words.
Reaching out to one person and not building a relationship with another website of similar interests is not enough. It's best to reach out on a regular basis. You will build backlinks that continue to link to your website.