diff --git a/.gitignore b/.gitignore
index 2f89fe5..f7a3e6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 build
 composer.lock
 vendor
-run.php
\ No newline at end of file
+run.php
+.DS_Store
+.phpunit.result.cache
diff --git a/composer.json b/composer.json
index 077a9af..fc141b2 100644
--- a/composer.json
+++ b/composer.json
@@ -32,13 +32,13 @@
     },
     "minimum-stability": "stable",
     "require": {
-        "illuminate/contracts": "^5.5|^6.0|^7.0|^8.0|^9.0|^10.0|^11.0",
-        "illuminate/support": "^5.5|^6.0|^7.0|^8.0|^9.0|^10.0|^11.0",
-        "php": "^7.0|^8.0"
+        "illuminate/contracts": "^10.0|^11.0",
+        "illuminate/support": "^10.0|^11.0",
+        "php": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.3|^9.0|^10.5",
-        "orchestra/testbench": "^3.5|^5.0|^7.0|^9.0"
+        "phpunit/phpunit": "^6.3|^9.0|^10.5|^11.0|^12.0",
+        "orchestra/testbench": "^3.5|^5.0|^7.0|^9.0|^10.0"
     },
-    "suggest": []
+    "suggest": {}
 }
diff --git a/src/Digits.php b/src/Digits.php
index 5b71a2f..4c96293 100644
--- a/src/Digits.php
+++ b/src/Digits.php
@@ -1,30 +1,27 @@
 <?php
 namespace LVR\Phone;
 
-use Illuminate\Contracts\Validation\Rule;
+use Closure;
 
 class Digits extends Phone
 {
     /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string $attribute
-     * @param  mixed  $value
-     *s
-     * @return bool
+     * Validation error message
      */
-    public function passes($attribute, $value)
-    {
-        return $this->isDigits($value);
-    }
+    protected string $message = ':attribute must be in digits only phone format';
 
     /**
-     * Get the validation error message.
+     * Run the validation rule.
      *
-     * @return string
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     * @return void
      */
-    public function message()
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        return ':attribute must be in digits only phone format';
+        if (! $this->isDigits($value)) {
+            $fail($this->message);
+        }
     }
 }
diff --git a/src/E123.php b/src/E123.php
index 86ac1fa..bf57f2e 100644
--- a/src/E123.php
+++ b/src/E123.php
@@ -2,29 +2,27 @@
 
 namespace LVR\Phone;
 
+use Closure;
 
 class E123 extends Phone
 {
     /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string $attribute
-     * @param  mixed  $value
-     *
-     * @return bool
+     * Validation error message
      */
-    public function passes($attribute, $value)
-    {
-        return $this->isE123($value);
-    }
+    protected string $message = ':attribute must be in E.123 phone format';
 
     /**
-     * Get the validation error message.
+     * Run the validation rule.
      *
-     * @return string
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     * @return void
      */
-    public function message()
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        return ':attribute must be in E.123 phone format';
+        if (! $this->isE123($value)) {
+            $fail($this->message);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/src/E164.php b/src/E164.php
index a586843..99fc8de 100644
--- a/src/E164.php
+++ b/src/E164.php
@@ -1,30 +1,27 @@
 <?php
 namespace LVR\Phone;
 
-use Illuminate\Contracts\Validation\Rule;
+use Closure;
 
 class E164 extends Phone
 {
     /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string $attribute
-     * @param  mixed  $value
-     *
-     * @return bool
+     * Validation error message
      */
-    public function passes($attribute, $value)
-    {
-        return $this->isE164($value);
-    }
+    protected string $message = ':attribute must be in E.164 phone format';
 
     /**
-     * Get the validation error message.
+     * Run the validation rule.
      *
-     * @return string
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     * @return void
      */
-    public function message()
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        return ':attribute must be in E.164 phone format';
+        if (! $this->isE164($value)) {
+            $fail($this->message);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/src/NANP.php b/src/NANP.php
index bdf79de..ac43b52 100644
--- a/src/NANP.php
+++ b/src/NANP.php
@@ -1,30 +1,27 @@
 <?php
 namespace LVR\Phone;
 
-use Illuminate\Contracts\Validation\Rule;
+use Closure;
 
 class NANP extends Phone
 {
     /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string $attribute
-     * @param  mixed  $value
-     *s
-     * @return bool
+     * Validation error message
      */
-    public function passes($attribute, $value)
-    {
-        return $this->isNANP($value);
-    }
+    protected string $message = ':attribute must be in the NANP phone format';
 
     /**
-     * Get the validation error message.
+     * Run the validation rule.
      *
-     * @return string
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     * @return void
      */
-    public function message()
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        return ':attribute must be in the NANP phone format';
+        if (! $this->isNANP($value)) {
+            $fail($this->message);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Phone.php b/src/Phone.php
index 00a4179..e9e792f 100644
--- a/src/Phone.php
+++ b/src/Phone.php
@@ -1,31 +1,29 @@
 <?php
 namespace LVR\Phone;
 
-use Illuminate\Contracts\Validation\Rule;
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
 
-class Phone implements Rule
+class Phone implements ValidationRule
 {
     /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string $attribute
-     * @param  mixed  $value
-     *
-     * @return bool
+     * Validation error message
      */
-    public function passes($attribute, $value)
-    {
-        return $this->isPhone($value);
-    }
+    protected string $message = 'Incorrect phone format for :attribute.';
 
     /**
-     * Get the validation error message.
+     * Run the validation rule.
      *
-     * @return string
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     * @return void
      */
-    public function message()
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        return 'Incorrect phone format for :attribute.';
+        if (! $this->isPhone($value)) {
+            $fail($this->message);
+        }
     }
 
     /**
@@ -90,4 +88,4 @@ protected function isNANP($value)
         $conditions[] = preg_match("/^(?:\+1|1)?\s?-?\(?\d{3}\)?(\s|-)?\d{3}-\d{4}$/i", $value) > 0;
         return (bool) array_product($conditions);
     }
-}
\ No newline at end of file
+}