diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 8030697..d27cbed 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -23,7 +23,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Cache composer dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       env:
         cache-name: cache-composer
       with:
@@ -36,4 +36,4 @@ jobs:
       uses: php-actions/composer@v2
 
     - name: Run php unit tests
-      run: ./vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
\ No newline at end of file
+      run: ./vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
diff --git a/src/Helpers/Validate.php b/src/Helpers/Validate.php
index 87e812f..a9593dd 100644
--- a/src/Helpers/Validate.php
+++ b/src/Helpers/Validate.php
@@ -206,4 +206,22 @@ private static function validate_cns_tmp($cns)
         return $resto == 0;
     }
 
+    public static function isValidPisPasep(string $value): bool
+    {
+        $number = preg_replace('/\D/', '', $value);
+
+        if (strlen($number) !== 11 || preg_match('/^(\d)\1{10}$/', $number)) {
+            return false;
+        }
+
+        $digits = str_split($number);
+        $weights = [3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
+        $sum = array_sum(array_map(fn($d, $w) => $d * $w, array_slice($digits, 0, 10), $weights));
+
+        $calculated_verification_digit =  ($sum % 11) < 2 ? 0 : (11 - $sum % 11);
+
+        $given_verification_digit = (int) $digits[10];
+
+        return $given_verification_digit === $calculated_verification_digit;
+    }
 }
diff --git a/tests/Helpers/ValidateTest.php b/tests/Helpers/ValidateTest.php
index 593a387..310b5eb 100644
--- a/tests/Helpers/ValidateTest.php
+++ b/tests/Helpers/ValidateTest.php
@@ -167,4 +167,29 @@ public function cnsProvider()
             [null, false],
         ];
     }
+
+    /** 
+     * @dataProvider pisPasepProvider 
+     * */ 
+    public function testValidatePisPasep(string $value, bool $is_valid): void
+    {
+        $validation = Validate::isValidPisPasep($value);
+
+        $this->assertSame($is_valid, $validation);
+    }
+
+    public static function pisPasepProvider(): array
+    {
+        return [
+            ['12345678900', true],
+            ['14843463732', true],
+            ['37275831654', true],
+            ['58757814249', true],
+            ['65255328642', true],
+            ['81816214189', true],
+            ['1234567890', false],
+            ['37275831655', false],
+            ['372758316555', false],
+        ];
+    }
 }