Fonts load-scripts.php insecure and mixed content

load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,underscore,backbone,wp-util,wp-backbone,media-models,moxiejs,plupload,wp-plupload,jquery-ui-cor&load[]=e,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable&ver=4.9.8:3 Mixed Content: The page at ‘https://servername.com/wp-admin/post.php?vc_action=vc_inline&post_id=15&post_type=page’ was loaded over HTTPS, but requested an insecure font ‘https://fonts.gstatic.com/s/opensans/v15/memnYaGs126MiZpBA-UFUKWyV-hs.ttf’. This request has been blocked; the content must be served over HTTPS.
k @ load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,underscore,backbone,wp-util,wp-backbone,media-models,moxiejs,plupload,wp-plupload,jquery-ui-cor&load[]=e,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable&ver=4.9.8:3