diff --git a/lib/ssi.js b/lib/ssi.js
index f5cbd39..9937d3a 100644
--- a/lib/ssi.js
+++ b/lib/ssi.js
@@ -24,6 +24,7 @@ const SSI = function (param) {
     disableLocalScan: false,
     includesMatcher: /<!--\s?#\s?include\s+(?:virtual|file)="([^"]+)"(?:\s+stub="(\w+)")?\s?-->/,
     onFileMatch: () => null,
+    requestOptions: {},
   }
   const options = {
     ...defaultOptions,
@@ -66,7 +67,9 @@ const SSI = function (param) {
 
   async function getContentOnline(url, location) {
     try {
-      const res = await request('GET', url);
+      const res = await request('GET', url, {
+        ...options.requestOptions
+      });
       const charset = extractCharSet(res);
       let content = options.quietError ? '' : `ERROR : could not find the file ${location}`;
       if (res && res.statusCode && res.statusCode < 400) {