diff --git a/README.md b/README.md
index 1e2da7e..727f96a 100644
--- a/README.md
+++ b/README.md
@@ -68,11 +68,14 @@ You can add options on the initial Sitemapper object when instantiating it.
 + `debug`: (Boolean) - Enables/Disables debug console logging. Default: False
 + `concurrency`: (Number) - Sets the maximum number of concurrent sitemap crawling threads. Default: 10
 + `retries`: (Number) - Sets the maximum number of retries to attempt in case of an error response (e.g. 404 or Timeout). Default: 0
++ `requestHeaders`: (Object) - Additional Request Headers
++ `insecure`: (Boolean) - Ignore invalid certificates
 
 ```javascript
 
 const sitemapper = new Sitemapper({
   url: 'https://art-works.community/sitemap.xml',
+  insecure: true,
   timeout: 15000,
   requestHeaders: {
     'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:81.0) Gecko/20100101 Firefox/81.0'
diff --git a/lib/assets/sitemapper.js b/lib/assets/sitemapper.js
index fdb12da..01835e1 100644
--- a/lib/assets/sitemapper.js
+++ b/lib/assets/sitemapper.js
@@ -1,2 +1,2 @@
 "use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var _xml2js=require("xml2js"),_got=_interopRequireDefault(require("got")),_zlib=_interopRequireDefault(require("zlib")),_pLimit=_interopRequireDefault(require("p-limit")),_isGzip=_interopRequireDefault(require("is-gzip"));function _interopRequireDefault(a){return a&&a.__esModule?a:{default:a}}function asyncGeneratorStep(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){return void c(a)}h.done?b(i):Promise.resolve(i).then(d,e)}function _asyncToGenerator(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){function f(a){asyncGeneratorStep(h,d,e,f,g,"next",a)}function g(a){asyncGeneratorStep(h,d,e,f,g,"throw",a)}var h=a.apply(b,c);f(void 0)})}}class Sitemapper{constructor(a){var b=a||{requestHeaders:{}};this.url=b.url,this.timeout=b.timeout||15e3,this.timeoutTable={},this.requestHeaders=b.requestHeaders,this.debug=b.debug,this.concurrency=b.concurrency||10,this.retries=b.retries||0}fetch(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={url:"",sites:[],errors:[]};try{d=yield b.crawl(c)}catch(a){b.debug&&console.error(a)}return{url:c,sites:d.sites||[],errors:d.errors||[]}})()}static get timeout(){return this.timeout}static set timeout(a){this.timeout=a}static set url(a){this.url=a}static get url(){return this.url}static set debug(a){this.debug=a}static get debug(){return this.debug}parse(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={method:"GET",resolveWithFullResponse:!0,gzip:!0,responseType:"buffer",headers:b.requestHeaders};try{var e=_got.default.get(c,d);b.initializeTimeout(c,e);var f=yield e;if(!f||200!==f.statusCode)return clearTimeout(b.timeoutTable[c]),{error:f.error,data:f};var g=(0,_isGzip.default)(f.rawBody)?yield b.decompressResponseBody(f.body):f.body;var h=yield(0,_xml2js.parseStringPromise)(g);return{error:null,data:h}}catch(a){return"CancelError"===a.name?{error:"Request timed out after ".concat(b.timeout," milliseconds for url: '").concat(c,"'"),data:a}:{error:"Error occurred: ".concat(a.name),data:a}}})()}initializeTimeout(a,b){this.timeoutTable[a]=setTimeout(()=>b.cancel(),this.timeout)}crawl(a){var b=arguments,c=this;return _asyncToGenerator(function*(){var d=1<b.length&&b[1]!==void 0?b[1]:0;try{var{error:k,data:l}=yield c.parse(a);if(clearTimeout(c.timeoutTable[a]),k)return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Error occurred during \"crawl('".concat(a,"')\":\n\r Error: ").concat(k)),{sites:[],errors:[{type:l.name,url:a,retries:d}]});if(l&&l.urlset&&l.urlset.url){c.debug&&console.debug("Urlset found during \"crawl('".concat(a,"')\""));var m=l.urlset.url.map(a=>a.loc&&a.loc[0]);return{sites:m,errors:[]}}if(l&&l.sitemapindex){c.debug&&console.debug("Additional sitemap found during \"crawl('".concat(a,"')\""));var e=l.sitemapindex.sitemap.map(a=>a.loc&&a.loc[0]),f=(0,_pLimit.default)(c.concurrency),g=e.map(a=>f(()=>c.crawl(a))),h=yield Promise.all(g),i=h.filter(a=>0===a.errors.length).reduce((a,b)=>{var{sites:c}=b;return[...a,...c]},[]),j=h.filter(a=>0!==a.errors.length).reduce((a,b)=>{var{errors:c}=b;return[...a,...c]},[]);return{sites:i,errors:j}}return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Unknown state during \"crawl('".concat(a,")'\":"),k,l),{sites:[],errors:[{url:a,type:l.name||"UnknownStateError",retries:d}]})}catch(a){c.debug&&c.debug&&console.error(a)}})()}getSites(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d=1<a.length?a[1]:void 0;console.warn("\r\nWarning:","function .getSites() is deprecated, please use the function .fetch()\r\n");var e={},f=[];try{var g=yield b.fetch(c);f=g.sites}catch(a){e=a}return d(e,f)})()}decompressResponseBody(a){return new Promise((b,c)=>{var d=Buffer.from(a);_zlib.default.gunzip(d,(a,d)=>{a?c(a):b(d)})})}}exports.default=Sitemapper,module.exports=exports.default,module.exports.default=exports.default;
-//# sourceMappingURL=sitemapper.js.map
\ No newline at end of file
+//# sourceMappingURL=sitemapper.js.map
diff --git a/src/assets/sitemapper.js b/src/assets/sitemapper.js
index cf1cb7e..164a588 100644
--- a/src/assets/sitemapper.js
+++ b/src/assets/sitemapper.js
@@ -40,6 +40,7 @@ export default class Sitemapper {
     this.debug = settings.debug;
     this.concurrency = settings.concurrency || 10;
     this.retries = settings.retries || 0;
+    this.insecure = settings.insecure || false;
   }
 
   /**
@@ -149,6 +150,9 @@ export default class Sitemapper {
       gzip: true,
       responseType: 'buffer',
       headers: this.requestHeaders,
+      https: {
+        rejectUnauthorized: Boolean(this.insecure)
+      }
     };
 
     try {