diff --git a/packages/observables/src/fetch/request.test.js b/packages/observables/src/fetch/request.test.js
index 094fb7f..cf21b0d 100644
--- a/packages/observables/src/fetch/request.test.js
+++ b/packages/observables/src/fetch/request.test.js
@@ -5,7 +5,7 @@ import { afterEach, test, describe, beforeEach, expect } from 'vitest';
 describe('request observable with default operators', function () {
   beforeEach(function () {
     fetchMock.get(
-      'http://httpbin.org/my-url-fast',
+      'https://httpbin.org/my-url-fast',
       new Response(JSON.stringify({ hello: 'fast world' }), {
         status: 200,
         headers: {
@@ -24,7 +24,7 @@ describe('request observable with default operators', function () {
 
   test('successfull request', () =>
     new Promise(done => {
-      requestObservable('http://httpbin.org/my-url-fast').subscribe(async e => {
+      requestObservable('https://httpbin.org/my-url-fast').subscribe(async e => {
         expect(e.ok).equal(true);
         expect(await e.json()).deep.equal({ hello: 'fast world' });
         done();