diff --git a/src/Exceptions/InvalidArgument.php b/src/Exceptions/InvalidArgument.php
index 40929b1..6a63adb 100644
--- a/src/Exceptions/InvalidArgument.php
+++ b/src/Exceptions/InvalidArgument.php
@@ -8,7 +8,7 @@ class InvalidArgument extends InvalidArgumentException
 {
     public static function invalidScheme(string $url): static
     {
-        return new static("The scheme `{$url}` isn't valid. It should be either `http` or `https`.");
+        return new static("The scheme `{$url}` isn't valid. It should be either `http`, `https`, `mailto` or `tel`.");
     }
 
     public static function invalidUrl(string $url): static
diff --git a/src/Url.php b/src/Url.php
index 0b8cbd8..d111fc9 100644
--- a/src/Url.php
+++ b/src/Url.php
@@ -27,7 +27,7 @@ class Url implements UriInterface, Stringable
 
     protected string $fragment = '';
 
-    public const VALID_SCHEMES = ['http', 'https', 'mailto'];
+    public const VALID_SCHEMES = ['http', 'https', 'mailto', 'tel'];
 
     public function __construct()
     {
@@ -315,11 +315,11 @@ public function __toString(): string
     {
         $url = '';
 
-        if ($this->getScheme() !== '' && $this->getScheme() !== 'mailto') {
+        if ($this->getScheme() !== '' && ! in_array($this->getScheme(), ['mailto', 'tel'], true)) {
             $url .= $this->getScheme().'://';
         }
 
-        if ($this->getScheme() === 'mailto' && $this->getPath() !== '') {
+        if (in_array($this->getScheme(), ['mailto', 'tel'], true) && $this->getPath() !== '') {
             $url .= $this->getScheme().':';
         }
 
@@ -332,7 +332,7 @@ public function __toString(): string
         }
 
         if ($this->getPath() !== '/') {
-            $path = $this->getScheme() === 'mailto'
+            $path = in_array($this->getScheme(), ['mailto', 'tel'], true)
                 ? ltrim($this->getPath(), '/')
                 : $this->getPath();
 
diff --git a/tests/UrlMatchesTest.php b/tests/UrlMatchesTest.php
index 419bb81..ee99a2c 100644
--- a/tests/UrlMatchesTest.php
+++ b/tests/UrlMatchesTest.php
@@ -38,4 +38,12 @@ public function it_can_check_if_it_contains_a_mailto()
 
         $this->assertTrue($url->matches(Url::fromString('mailto:email@domain.tld')));
     }
+
+    /** @test */
+    public function it_can_check_if_it_contains_a_tel()
+    {
+        $url = Url::fromString('tel:+3112345678');
+
+        $this->assertTrue($url->matches(Url::fromString('tel:+3112345678')));
+    }
 }
diff --git a/tests/UrlParseTest.php b/tests/UrlParseTest.php
index 5c60f85..2ac2ed7 100644
--- a/tests/UrlParseTest.php
+++ b/tests/UrlParseTest.php
@@ -40,6 +40,22 @@ public function it_can_parse_a_path_with_mailto()
         $this->assertEquals('email@domain.tld', $url->getPath());
     }
 
+    /** @test */
+    public function it_can_parse_a_scheme_with_tel()
+    {
+        $url = Url::fromString('tel:+3112345678');
+
+        $this->assertEquals('tel', $url->getScheme());
+    }
+
+    /** @test */
+    public function it_can_parse_a_path_withtel()
+    {
+        $url = Url::fromString('tel:+3112345678');
+
+        $this->assertEquals('+3112345678', $url->getPath());
+    }
+
     /** @test */
     public function it_throws_an_exception_if_an_invalid_scheme_is_provided()
     {