diff --git a/config/sets/symfony/symfony8/symfony81.php b/config/sets/symfony/symfony8/symfony81.php
index 6eace7ee..055f8356 100644
--- a/config/sets/symfony/symfony8/symfony81.php
+++ b/config/sets/symfony/symfony8/symfony81.php
@@ -7,4 +7,5 @@
 // @see https://github.com/symfony/symfony/blob/8.1/UPGRADE-8.1.md
 return static function (RectorConfig $rectorConfig): void {
     $rectorConfig->import(__DIR__ . '/symfony81/symfony81-dependency-injection.php');
+    $rectorConfig->import(__DIR__ . '/symfony81/symfony81-uid.php');
 };
diff --git a/config/sets/symfony/symfony8/symfony81/symfony81-uid.php b/config/sets/symfony/symfony8/symfony81/symfony81-uid.php
new file mode 100644
index 00000000..1e7acc90
--- /dev/null
+++ b/config/sets/symfony/symfony8/symfony81/symfony81-uid.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Symfony\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rules([AddFormatArgumentToIsValidRector::class]);
+};
diff --git a/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/AddFormatArgumentToIsValidRectorTest.php b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/AddFormatArgumentToIsValidRectorTest.php
new file mode 100644
index 00000000..6f44c742
--- /dev/null
+++ b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/AddFormatArgumentToIsValidRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Tests\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class AddFormatArgumentToIsValidRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/Fixture/add_format_argument_to_is_valid.php.inc b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/Fixture/add_format_argument_to_is_valid.php.inc
new file mode 100644
index 00000000..f6e899b4
--- /dev/null
+++ b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/Fixture/add_format_argument_to_is_valid.php.inc
@@ -0,0 +1,31 @@
+<?php
+
+namespace Rector\Symfony\Tests\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector\Fixture;
+
+use Symfony\Component\Uid\Ulid;
+
+final class Foo
+{
+    public function bar(string $id): bool
+    {
+        return Ulid::isValid($id);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Symfony\Tests\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector\Fixture;
+
+use Symfony\Component\Uid\Ulid;
+
+final class Foo
+{
+    public function bar(string $id): bool
+    {
+        return Ulid::isValid($id, \Symfony\Component\Uid\Ulid::FORMAT_BASE_32);
+    }
+}
+
+?>
diff --git a/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/config/configured_rule.php b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/config/configured_rule.php
new file mode 100644
index 00000000..2b554ee5
--- /dev/null
+++ b/rules-tests/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector/config/configured_rule.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Symfony\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(AddFormatArgumentToIsValidRector::class);
+};
diff --git a/rules/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector.php b/rules/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector.php
new file mode 100644
index 00000000..cbd8ffd1
--- /dev/null
+++ b/rules/Symfony81/Rector/StaticCall/AddFormatArgumentToIsValidRector.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Symfony81\Rector\StaticCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr\ClassConstFetch;
+use PhpParser\Node\Expr\StaticCall;
+use PhpParser\Node\Name;
+use PhpParser\Node\Name\FullyQualified;
+use PhpParser\Node\Name\Relative;
+use PhpParser\Node\Stmt\Class_;
+use Rector\Rector\AbstractRector;
+use Rector\Symfony\Enum\SymfonyClass;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see https://github.com/symfony/symfony/blob/8.1/UPGRADE-8.1.md#uid
+ *
+ * @see \Rector\Symfony\Tests\Symfony81\Rector\StaticCall\AddFormatArgumentToIsValidRector\AddFormatArgumentToIsValidRectorTest
+ */
+final class AddFormatArgumentToIsValidRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Add $format argument to Ulid::isValid()',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+                        Symfony\Component\Uid\Ulid;
+
+                        final class Foo
+                        {
+                            public function bar(string $id): bool
+                            {
+                                return Ulid::isValid($id);
+                            }
+                        }
+                        CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+                        Symfony\Component\Uid\Ulid;
+
+                        final class Foo
+                        {
+                            public function bar(string $id): bool
+                            {
+                                return Ulid::isValid($id, Symfony\Component\Uid\Ulid::FORMAT_BASE_32);
+                            }
+                        }
+                        CODE_SAMPLE
+                    ,
+                ),
+            ],
+        );
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [StaticCall::class];
+    }
+
+    /**
+     * @param StaticCall $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if (! $this->isName($node->class, 'Symfony\Component\Uid\Ulid')) {
+            return null;
+        }
+
+        if (! $this->isName($node->name, 'isValid')) {
+            return null;
+        }
+
+        if ($node->isFirstClassCallable()) {
+            return null;
+        }
+
+        if (\count($node->args) !==1) {
+            return null;
+        }
+
+        $node->args[] = new Arg(
+            new ClassConstFetch(new FullyQualified(SymfonyClass::ULID_CLASS), 'FORMAT_BASE_32')
+        );
+
+        return $node;
+    }
+}
diff --git a/src/Enum/SymfonyClass.php b/src/Enum/SymfonyClass.php
index aa884560..891ff8b9 100644
--- a/src/Enum/SymfonyClass.php
+++ b/src/Enum/SymfonyClass.php
@@ -105,4 +105,6 @@ final class SymfonyClass
     public const string ABSTRACT_TYPE_EXTENSION = 'Symfony\Component\Form\AbstractTypeExtension';
 
     public const string ABSTRACT_TYPE = 'Symfony\Component\Form\AbstractType';
+
+    public const string ULID_CLASS = 'Symfony\Component\Uid\Ulid';
 }
diff --git a/src/Set/SetProvider/Symfony8SetProvider.php b/src/Set/SetProvider/Symfony8SetProvider.php
index 9bca284f..a05fa7f5 100644
--- a/src/Set/SetProvider/Symfony8SetProvider.php
+++ b/src/Set/SetProvider/Symfony8SetProvider.php
@@ -29,6 +29,12 @@ public function provide(): array
                 '8.1',
                 __DIR__ . '/../../../config/sets/symfony/symfony8/symfony81/symfony81-dependency-injection.php'
             ),
+            new ComposerTriggeredSet(
+                SetGroup::SYMFONY,
+                'symfony/uid',
+                '8.1',
+                __DIR__ . '/../../../config/sets/symfony/symfony8/symfony81/symfony81-uid.php'
+            ),
         ];
     }
 }
diff --git a/src/Set/SymfonySetList.php b/src/Set/SymfonySetList.php
index 5f0ceda3..61a04dbe 100644
--- a/src/Set/SymfonySetList.php
+++ b/src/Set/SymfonySetList.php
@@ -171,6 +171,11 @@ final class SymfonySetList
      */
     public const string SYMFONY_80 = __DIR__ . '/../../config/sets/symfony/symfony8/symfony80.php';
 
+    /**
+     * @deprecated Set list are too generic and do not handle package differences. Use ->withComposerBased(symfony: true) instead
+     */
+    public const string SYMFONY_81 = __DIR__ . '/../../config/sets/symfony/symfony8/symfony81.php';
+
     public const string SYMFONY_CODE_QUALITY = __DIR__ . '/../../config/sets/symfony/symfony-code-quality.php';
 
     public const string SYMFONY_CONSTRUCTOR_INJECTION = __DIR__ . '/../../config/sets/symfony/symfony-constructor-injection.php';