Unable to update plugins via AutoUpdate

I am getting the following error. This started sometime this week:
I host several wordpress sites and all the sites are getting the same error. Has anyone else had this issue? I have a dedicated server and not sure if it’s an issue on my server. Any help would really be greatly appreciated!

Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.) in /home/maryloue/public_html/bio/wp-admin/includes/plugin-install.php on line 77