diff --git a/src/config.js b/src/config.js
index 82b17573..8277a19b 100644
--- a/src/config.js
+++ b/src/config.js
@@ -19,7 +19,7 @@ const config = {
     prerender: {
         prerender: 'http://service.prerender.io/',
         prerenderToken: '',
-        protocol: 'http',
+        protocol: 'https',
         host: 'art.shlisselburg.org'
     },