diff --git a/tests/DownloadControllerTest.php b/tests/DownloadControllerTest.php
index 610ce12..b43d709 100644
--- a/tests/DownloadControllerTest.php
+++ b/tests/DownloadControllerTest.php
@@ -153,7 +153,7 @@ class DownloadControllerTest extends ControllerTest
      */
     public function testDownloadWithMissingPassword()
     {
-        $this->assertRequestIsClientError('download', ['url' => 'http://vimeo.com/68375962']);
+        $this->assertRequestIsClientError('download', ['url' => 'https://vimeo.com/68375962']);
     }
 
     /**
@@ -164,7 +164,7 @@ class DownloadControllerTest extends ControllerTest
     public function testDownloadWithError()
     {
         $this->expectException(YoutubedlException::class);
-        $this->getRequestResult('download', ['url' => 'http://example.com/foo']);
+        $this->getRequestResult('download', ['url' => 'https://example.com/foo']);
     }
 
     /**
diff --git a/tests/FrontControllerTest.php b/tests/FrontControllerTest.php
index 4b77ab6..e68508b 100644
--- a/tests/FrontControllerTest.php
+++ b/tests/FrontControllerTest.php
@@ -191,7 +191,7 @@ class FrontControllerTest extends ControllerTest
     public function testInfoWithPassword()
     {
         $result = $this->controller->info(
-            $this->container->get('request')->withQueryParams(['url' => 'http://vimeo.com/68375962'])
+            $this->container->get('request')->withQueryParams(['url' => 'https://vimeo.com/68375962'])
                 ->withParsedBody(['password' => 'youtube-dl']),
             $this->container->get('response')
         );
@@ -206,8 +206,8 @@ class FrontControllerTest extends ControllerTest
      */
     public function testInfoWithMissingPassword()
     {
-        $this->assertRequestIsClientError('info', ['url' => 'http://vimeo.com/68375962']);
-        $this->assertRequestIsClientError('info', ['url' => 'http://vimeo.com/68375962', 'audio' => true]);
+        $this->assertRequestIsClientError('info', ['url' => 'https://vimeo.com/68375962']);
+        $this->assertRequestIsClientError('info', ['url' => 'https://vimeo.com/68375962', 'audio' => true]);
     }
 
     /**
diff --git a/tests/JsonControllerTest.php b/tests/JsonControllerTest.php
index be46ec1..c82b764 100644
--- a/tests/JsonControllerTest.php
+++ b/tests/JsonControllerTest.php
@@ -49,7 +49,7 @@ class JsonControllerTest extends ControllerTest
     public function testJsonWithError()
     {
         $this->expectException(YoutubedlException::class);
-        $this->getRequestResult('json', ['url' => 'http://example.com/foo']);
+        $this->getRequestResult('json', ['url' => 'https://example.com/foo']);
     }
 
     /**
diff --git a/tests/VideoTest.php b/tests/VideoTest.php
index 47cd032..31ca1b9 100644
--- a/tests/VideoTest.php
+++ b/tests/VideoTest.php
@@ -104,7 +104,7 @@ class VideoTest extends ContainerTest
      */
     public function testgetUrlWithPassword()
     {
-        $video = new Video($this->downloader, 'http://vimeo.com/68375962', 'best', 'youtube-dl');
+        $video = new Video($this->downloader, 'https://vimeo.com/68375962', 'best', 'youtube-dl');
         foreach ($video->getUrl() as $videoURL) {
             $this->assertStringContainsString('vimeocdn.com', $videoURL);
         }
@@ -119,7 +119,7 @@ class VideoTest extends ContainerTest
     public function testgetUrlWithMissingPassword()
     {
         $this->expectException(PasswordException::class);
-        $video = new Video($this->downloader, 'http://vimeo.com/68375962', $this->format);
+        $video = new Video($this->downloader, 'https://vimeo.com/68375962', $this->format);
         $video->getUrl();
     }
 
@@ -132,7 +132,7 @@ class VideoTest extends ContainerTest
     public function testgetUrlWithWrongPassword()
     {
         $this->expectException(WrongPasswordException::class);
-        $video = new Video($this->downloader, 'http://vimeo.com/68375962', 'best', 'foo');
+        $video = new Video($this->downloader, 'https://vimeo.com/68375962', 'best', 'foo');
         $video->getUrl();
     }
 
@@ -174,7 +174,7 @@ class VideoTest extends ContainerTest
                 'googlevideo.com',
             ],
             [
-                'http://www.bbc.co.uk/programmes/b039g8p7', 'bestaudio/best',
+                'https://www.bbc.co.uk/programmes/b039g8p7', 'bestaudio/best',
                 'Kaleidoscope_Leonard_Cohen-b039d07m',
                 'flv',
                 'bbcodspdns.fcod.llnwd.net',
@@ -247,7 +247,7 @@ class VideoTest extends ContainerTest
     public function errorUrlProvider(): array
     {
         return [
-            ['http://example.com/video'],
+            ['https://example.com/video'],
         ];
     }