Wrong canonical links

On https://magazine.compassion.com the canonical link has http:// instead of https://, so it shows up as:

<link rel="canonical" href="http://magazine.compassion.com/" />

But when I get deeper in the site, the prev and next links are https://. You can see it in the source code for https://magazine.compassion.com/page/2/ (view-source:https://magazine.compassion.com/page/2/ – lines 32-34)

I’ve done a search and replace in the database, cleared the cache, made sure the WordPress Address and Site Address are https in the admin settings.

Any other ideas of what the issue could be?

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