diff --git a/CHANGELOG-6.4.md b/CHANGELOG-6.4.md
index 723085c67be5..2e0f70ad13e6 100644
--- a/CHANGELOG-6.4.md
+++ b/CHANGELOG-6.4.md
@@ -7,6 +7,41 @@ in 6.4 minor versions.
 To get the diff for a specific change, go to https://github.com/symfony/symfony/commit/XXX where XXX is the change hash
 To get the diff between two versions, go to https://github.com/symfony/symfony/compare/v6.4.0...v6.4.1
 
+* 6.4.6 (2024-04-03)
+
+ * bug #54400 [HttpClient] stop all server processes after tests have run (xabbuh)
+ * bug #54435 [Console] respect multi-byte characters when rendering vertical-style tables (xabbuh)
+ * bug #54419 Fix TypeError on ProgressBar (Fan2Shrek)
+ * bug #54425 [TwigBridge] Remove whitespaces from block form_help output (rosier)
+ * bug #53969 [Mailer] include message id provided by the MTA when dispatching the `SentMessageEvent` (xabbuh)
+ * bug #54315 [Serializer] Fixed BackedEnumNormalizer priority for translatable enum (IndraGunawan)
+ * bug #54372 [Config] Fix `YamlReferenceDumper` handling of array examples (MatTheCat)
+ * bug #54362 [Filesystem] preserve the file modification time when mirroring directories (xabbuh)
+ * bug #54121 [Messenger] Catch TableNotFoundException in MySQL delete (acbramley)
+ * bug #54271 [DoctrineBridge] Fix deprecation warning with ORM 3 when guessing field lengths (eltharin)
+ * bug #54306 Throw TransformationFailedException when there is a null bytes injection (sormes)
+ * bug #54148 [Serializer] Fix object normalizer when properties has the same name as their accessor (NeilPeyssard)
+ * bug #54305 [Cache][Lock] Identify missing table in pgsql correctly and address failing integration tests (arifszn)
+ * bug #54199 [Mailer] [Brevo] Check that tags is present in payload before calling setTags (palgalik)
+ * bug #54292 [FrameworkBundle] Fix mailer config with XML (lyrixx)
+ * bug #54298 [Filesystem] Fix str_contains deprecation (NeilPeyssard)
+ * bug #54248 [Security] Correctly initialize the voter property (aschempp)
+ * bug #54273 [DependencyInjection] fix XmlDumper when a tag contains also a 'name' property (lyrixx)
+ * bug #54191 [Validator] add missing invalid extension error entry (xabbuh)
+ * bug #54194 [PropertyAccess] Fix checking for missing properties (nicolas-grekas)
+ * bug #54201 [Lock] Check the correct SQLSTATE error code for MySQL (edomato)
+ * bug #54252 [Lock] compatiblity with redis cluster 7 (bastnic)
+ * bug #54124 [Messenger] trigger retry logic when message is a redelivery (nikophil)
+ * bug #54254 [HttpKernel] Fix creating `ReflectionMethod` with only one argument (alexandre-daubois)
+ * bug #54219 [Validator] Allow BICs’ first four characters to be digits (MatTheCat)
+ * bug #54239 [Mailer] Fix sendmail transport not handling failure  (aboks)
+ * bug #54207 [HttpClient] Lazily initialize CurlClientState (arjenm)
+ * bug #53865 [Workflow]Fix Marking when it must contains more than one tokens (lyrixx)
+ * bug #54137 [Validator] UniqueValidator - normalize before reducing keys (Brajk19)
+ * bug #54187 [FrameworkBundle] Fix PHP 8.4 deprecation on `ReflectionMethod` (alexandre-daubois)
+ * bug #54167 [Messenger] [Amqp] Handle AMQPConnectionException when publishing a message. (jwage)
+ * bug #54146 [HttpClient] Preserve float in JsonMockResponse (Jibbarth)
+
 * 6.4.5 (2024-03-04)
 
  * bug #54113 [AssetMapper] Throw exception in Javascript compiler when PCRE error (smnandre)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 0cba93dc3a17..1b57d2b84809 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -76,12 +76,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
      */
     private static array $freshCache = [];
 
-    public const VERSION = '6.4.6-DEV';
+    public const VERSION = '6.4.6';
     public const VERSION_ID = 60406;
     public const MAJOR_VERSION = 6;
     public const MINOR_VERSION = 4;
     public const RELEASE_VERSION = 6;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '11/2026';
     public const END_OF_LIFE = '11/2027';