diff --git a/src/Symfony/Component/Serializer/CHANGELOG.md b/src/Symfony/Component/Serializer/CHANGELOG.md
index cb0466ada53c1..b62f84ba21451 100644
--- a/src/Symfony/Component/Serializer/CHANGELOG.md
+++ b/src/Symfony/Component/Serializer/CHANGELOG.md
@@ -8,6 +8,7 @@ CHANGELOG
  * Deprecate `CsvEncoderContextBuilder::withEscapeChar()` method
  * Add `SnakeCaseToCamelCaseNameConverter`
  * Support subclasses of `\DateTime` and `\DateTimeImmutable` for denormalization
+ * Add the `UidNormalizer::NORMALIZATION_FORMAT_RFC9562` constant
 
 7.1
 ---
diff --git a/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
index b107c9d36b75e..2e370bdd7c3b4 100644
--- a/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
@@ -23,6 +23,7 @@ final class UidNormalizer implements NormalizerInterface, DenormalizerInterface
     public const NORMALIZATION_FORMAT_BASE58 = 'base58';
     public const NORMALIZATION_FORMAT_BASE32 = 'base32';
     public const NORMALIZATION_FORMAT_RFC4122 = 'rfc4122';
+    public const NORMALIZATION_FORMAT_RFC9562 = self::NORMALIZATION_FORMAT_RFC4122;
     public const NORMALIZATION_FORMATS = [
         self::NORMALIZATION_FORMAT_CANONICAL,
         self::NORMALIZATION_FORMAT_BASE58,
diff --git a/src/Symfony/Component/Uid/CHANGELOG.md b/src/Symfony/Component/Uid/CHANGELOG.md
index 6e5fca9981e1d..f53899b6061c2 100644
--- a/src/Symfony/Component/Uid/CHANGELOG.md
+++ b/src/Symfony/Component/Uid/CHANGELOG.md
@@ -6,6 +6,7 @@ CHANGELOG
 
  * Make `AbstractUid` implement `Ds\Hashable` if available
  * Add support for binary, base-32 and base-58 representations in `Uuid::isValid()`
+ * Add the `Uuid::FORMAT_RFC_9562` constant to validate UUIDs in the RFC 9562 format
 
 7.1
 ---
diff --git a/src/Symfony/Component/Uid/Tests/UuidTest.php b/src/Symfony/Component/Uid/Tests/UuidTest.php
index 77a086759faba..5dfdc6d7c1dde 100644
--- a/src/Symfony/Component/Uid/Tests/UuidTest.php
+++ b/src/Symfony/Component/Uid/Tests/UuidTest.php
@@ -237,6 +237,11 @@ public function testIsValidWithVariousFormat()
         $this->assertFalse(Uuid::isValid($uuid->toBinary(), Uuid::FORMAT_RFC_4122));
         $this->assertTrue(Uuid::isValid($uuid->toRfc4122(), Uuid::FORMAT_RFC_4122));
 
+        $this->assertFalse(Uuid::isValid($uuid->toBase32(), Uuid::FORMAT_RFC_9562));
+        $this->assertFalse(Uuid::isValid($uuid->toBase58(), Uuid::FORMAT_RFC_9562));
+        $this->assertFalse(Uuid::isValid($uuid->toBinary(), Uuid::FORMAT_RFC_9562));
+        $this->assertTrue(Uuid::isValid($uuid->toRfc4122(), Uuid::FORMAT_RFC_9562));
+
         $this->assertTrue(Uuid::isValid($uuid->toBase32(), Uuid::FORMAT_ALL));
         $this->assertTrue(Uuid::isValid($uuid->toBase58(), Uuid::FORMAT_ALL));
         $this->assertTrue(Uuid::isValid($uuid->toBinary(), Uuid::FORMAT_ALL));
diff --git a/src/Symfony/Component/Uid/Uuid.php b/src/Symfony/Component/Uid/Uuid.php
index c6e22afd81e74..b18b7fb5053e2 100644
--- a/src/Symfony/Component/Uid/Uuid.php
+++ b/src/Symfony/Component/Uid/Uuid.php
@@ -27,6 +27,7 @@ class Uuid extends AbstractUid
     public const FORMAT_BASE_32 = 1 << 1;
     public const FORMAT_BASE_58 = 1 << 2;
     public const FORMAT_RFC_4122 = 1 << 3;
+    public const FORMAT_RFC_9562 = self::FORMAT_RFC_4122;
     public const FORMAT_ALL = -1;
 
     protected const TYPE = 0;
@@ -50,7 +51,7 @@ public function __construct(string $uuid, bool $checkVariant = false)
 
     public static function fromString(string $uuid): static
     {
-        $uuid = self::transformToRfc4122($uuid, self::FORMAT_ALL);
+        $uuid = self::transformToRfc9562($uuid, self::FORMAT_ALL);
 
         if (__CLASS__ !== static::class || 36 !== \strlen($uuid)) {
             return new static($uuid);
@@ -124,15 +125,15 @@ final public static function v8(string $uuid): UuidV8
     /**
      * @param int-mask-of<Uuid::FORMAT_*> $format
      */
-    public static function isValid(string $uuid /* , int $format = self::FORMAT_RFC_4122 */): bool
+    public static function isValid(string $uuid /* , int $format = self::FORMAT_RFC_9562 */): bool
     {
-        $format = 1 < \func_num_args() ? func_get_arg(1) : self::FORMAT_RFC_4122;
+        $format = 1 < \func_num_args() ? func_get_arg(1) : self::FORMAT_RFC_9562;
 
-        if (36 === \strlen($uuid) && !($format & self::FORMAT_RFC_4122)) {
+        if (36 === \strlen($uuid) && !($format & self::FORMAT_RFC_9562)) {
             return false;
         }
 
-        if (false === $uuid = self::transformToRfc4122($uuid, $format)) {
+        if (false === $uuid = self::transformToRfc9562($uuid, $format)) {
             return false;
         }
 
@@ -188,13 +189,13 @@ private static function format(string $uuid, string $version): string
     }
 
     /**
-     * Transforms a binary string, a base-32 string or a base-58 string to a RFC4122 string.
+     * Transforms a binary string, a base-32 string or a base-58 string to a RFC9562 string.
      *
      * @param int-mask-of<Uuid::FORMAT_*> $format
      *
-     * @return string|false The RFC4122 string or false if the format doesn't match the input
+     * @return string|false The RFC9562 string or false if the format doesn't match the input
      */
-    private static function transformToRfc4122(string $uuid, int $format): string|false
+    private static function transformToRfc9562(string $uuid, int $format): string|false
     {
         $inputUuid = $uuid;
         $fromBase58 = false;
@@ -217,7 +218,7 @@ private static function transformToRfc4122(string $uuid, int $format): string|fa
             $uuid = $ulid->toRfc4122();
         }
 
-        if ($inputUuid === $uuid && !($format & self::FORMAT_RFC_4122)) {
+        if ($inputUuid === $uuid && !($format & self::FORMAT_RFC_9562)) {
             // input format doesn't match the input string
             return false;
         }