diff --git a/CHANGELOG-5.4.md b/CHANGELOG-5.4.md
index 560763c768582..f7c1ec3aa8cf9 100644
--- a/CHANGELOG-5.4.md
+++ b/CHANGELOG-5.4.md
@@ -7,6 +7,51 @@ in 5.4 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/v5.4.0...v5.4.1
 
+* 5.4.3 (2022-01-28)
+
+ * bug #45193 [FrameworkBundle] Fix missing arguments when a serialization default context is bound (ArnoudThibaut)
+ * bug #44997 [Runtime] Fix --env and --no-debug with dotenv_overload (fancyweb)
+ * bug #45188 [Dotenv] Fix bootEnv() override with .env.local.php when the env key already exists (fancyweb)
+ * bug #45095 [Finder] Fix finding VCS re-included files in excluded directory (julienfalque)
+ * bug #44987 [DoctrineBridge]  Fix automapping (mbabker)
+ * bug #44860 [Validator] Fix Choice constraint with associative choices array (derrabus)
+ * bug #44939 [Form] UrlType should not add protocol to emails (GromNaN)
+ * bug #43149 Silence warnings during tty detection (neclimdul)
+ * bug #45154 [Serializer] Fix AbstractObjectNormalizer not considering pseudo type false (Thomas Nunninger)
+ * bug #45185 [Notifier] Fix encoding of messages with FreeMobileTransport (94noni)
+ * bug #45181 [Console] Fix PHP 8.1 deprecation in ChoiceQuestion (BrokenSourceCode)
+ * bug #44634 [HttpKernel] Fix compatibility with php bridge and already started php sessions (alexander-schranz)
+ * bug #45174 [Notifier] Use the UTF-8 encoding in smsapi-notifier (marphi)
+ * bug #45140 [Yaml] Making the parser stateless (mamazu)
+ * bug #45109 [Console] fix restoring stty mode on CTRL+C (nicolas-grekas)
+ * bug #45103 [Process] Avoid calling fclose on an already closed resource (Seldaek)
+ * bug #44941 [RateLimiter] Resolve crash on near-round timestamps (xesxen)
+ * bug #45088 [Console] fix parsing escaped chars in StringInput (nicolas-grekas)
+ * bug #45096 [Cache] Throw exception if incompatible version of psr/simple-cache is used (colinodell)
+ * bug #45067 [RateLimiter] Implicit conversion fix (brian978)
+ * bug #45063 [DependencyInjection] remove arbitratry limitation to exclude inline services from bindings (nicolas-grekas)
+ * bug #44986 [DependencyInjection] copy synthetic status when resolving child definitions (kbond)
+ * bug #45073 [HttpClient] Fix Failed to open stream: Too many open files (adrienfr)
+ * bug #45053 [Console] use STDOUT/ERR in ConsoleOutput to save opening too many file descriptors (nicolas-grekas)
+ * bug #45029 [Cache] Set mtime of cache files 1 year into future if they do not expire (Blacksmoke16)
+ * bug #45012 [DoctrineBridge] Fix invalid guess with enumType (jderusse)
+ * bug #45015 [HttpClient] fix resetting DNS/etc when calling CurlHttpClient::reset() (nicolas-grekas)
+ * bug #45004 [HttpClient] Remove deprecated usage of GuzzleHttp\Promise\promise_for (plozmun)
+ * bug #44998 [FrameworkBundle] Allow default cache pools to be overwritten by user (Seldaek)
+ * bug #44890 [HttpClient] Remove deprecated usage of `GuzzleHttp\Promise\queue` (GrahamCampbell)
+ * bug #45002 [PropertyAccess] Fix handling of uninitialized property of anonymous class (filiplikavcan)
+ * bug #44979 [DependencyInjection] Add iterable to possible binding type (vladimir.panivko)
+ * bug #44976 [FrameworkBundle] Avoid calling rtrim(null, '/') in AssetsInstallCommand (pavol-tk, GromNaN)
+ * bug #44879 [DependencyInjection] Ignore argument type check in CheckTypeDeclarationsPass if it's a Definition with a factory (fancyweb)
+ * bug #44920 Use correct tag for ExpoTransportFactory service (jschaedl)
+ * bug #44931 Allow a zero time-limit for messenger:consume (fritzmg)
+ * bug #44932 [DependencyInjection] Fix nested env var with resolve processor (Laurent Moreau)
+ * bug #44912 [Console] Allow OutputFormatter::escape() to be used for escaping URLs used in <href> (Seldaek)
+ * bug #44877 [Validator] Error using CssColor with doctrine annotations (sormes)
+ * bug #44878 [HttpClient] Turn negative timeout to a very long timeout (fancyweb)
+ * bug #44854 [Validator] throw when Constraint::_construct() has not been called (nicolas-grekas)
+ * bug #44857 [Translation] [LocoProvider] Fix use of asset ids (danut007ro)
+
 * 5.4.2 (2021-12-29)
 
  * bug #44828 [Lock] Release DoctrineDbalPostgreSqlStore connection lock on failure (simon-watiau)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index e1db13562596c..9125b7969cbb8 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -78,12 +78,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
      */
     private static $freshCache = [];
 
-    public const VERSION = '5.4.3-DEV';
+    public const VERSION = '5.4.3';
     public const VERSION_ID = 50403;
     public const MAJOR_VERSION = 5;
     public const MINOR_VERSION = 4;
     public const RELEASE_VERSION = 3;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '11/2024';
     public const END_OF_LIFE = '11/2025';