Linkedin and the other social sites are holding on to (or “caching”) a version of your blog post for performance purposes. If you’re using WordPress, try changing the Featured Image. If that still doesn’t work, here’s your super simple solution:
1. Copy the URL to your blog post
2. Add “?1” (without the quotes) to the end of your URL so it looks something like this:
3. Paste into the social platform of your choice
That’s it! Super simple, I know.