diff --git a/CHANGELOG-4.3.md b/CHANGELOG-4.3.md
index a5b9b78847b5..3695556e82fa 100644
--- a/CHANGELOG-4.3.md
+++ b/CHANGELOG-4.3.md
@@ -7,6 +7,46 @@ in 4.3 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/v4.3.0...v4.3.1
 
+* 4.3.9 (2019-12-01)
+
+ * bug #34649 more robust initialization from request (dbu)
+ * bug #34671 [Security] Fix clearing remember-me cookie after deauthentication (chalasr)
+ * bug #34711 Fix the translation commands when a template contains a syntax error (fabpot)
+ * bug #34560 [Config][ReflectionClassResource] Handle parameters with undefined constant as their default values (fancyweb)
+ * bug #34695 [Config] don't break on virtual stack frames in ClassExistenceResource (nicolas-grekas)
+ * bug #34716 [DependencyInjection] fix dumping number-like string parameters (xabbuh)
+ * bug #34558 [Console] Fix autocomplete multibyte input support (fancyweb)
+ * bug #34130 [Console] Fix commands description with numeric namespaces (fancyweb)
+ * bug #34677 [EventDispatcher] Better error reporting when arguments to dispatch() are swapped (rimas-kudelis)
+ * bug #33573 [TwigBridge] Add row_attr to all form themes (fancyweb)
+ * bug #34019 [Serializer] CsvEncoder::NO_HEADERS_KEY ignored when used in constructor (Dario Savella)
+ * bug #34083 [Form] Keep preferred_choices order for choice groups (vilius-g)
+ * bug #34091 [Debug] work around failing chdir() on Darwin (mary2501)
+ * bug #34305 [PhpUnitBridge] Read configuration CLI directive (ro0NL)
+ * bug #34490 [Serializer] Fix MetadataAwareNameConverter usage with string group (antograssiot)
+ * bug #34632 [Console] Fix trying to access array offset on value of type int (Tavafi)
+ * bug #34669 [HttpClient] turn exception into log when the request has no content-type (nicolas-grekas)
+ * bug #34636 [VarDumper] notice on potential undefined index (sylvainmetayer)
+ * bug #34668 [Cache] Make sure we get the correct number of values from redis::mget() (thePanz)
+ * bug #34569 [Workflow] Apply the same logic of precedence between the apply() and the buildTransitionBlockerList() method (lyrixx)
+ * bug #34533 [Monolog Bridge] Fixed accessing static property as non static. (Sander-Toonen)
+ * bug #34546 [Serializer] Add DateTimeZoneNormalizer into Dependency Injection (jewome62)
+ * bug #34547 [Messenger] Error when specified default bus is not among the configured (vudaltsov)
+ * bug #34551 [Security] SwitchUser is broken when the User Provider always returns a valid user (tucksaun)
+ * bug #34385 Avoid empty "If-Modified-Since" header in validation request (mpdude)
+ * bug #34458 [Validator] ConstraintValidatorTestCase: add missing return value to mocked validate method calls (ogizanagi)
+ * bug #34451 [DependencyInjection] Fix dumping multiple deprecated aliases (shyim)
+ * bug #34448 [Form] allow button names to start with uppercase letter (xabbuh)
+ * bug #34419 [Cache] Disable igbinary on PHP >= 7.4 (nicolas-grekas)
+ * bug #34366 [HttpFoundation] Allow redirecting to URLs that contain a semicolon (JayBizzle)
+ * bug #34397 [FrameworkBundle] Remove project dir from Translator cache vary scanned directories (fancyweb)
+ * bug #34408 [Cache] catch exceptions when using PDO directly (xabbuh)
+ * bug #34410 [HttpFoundation] Fix MySQL column type definition. (jbroutier)
+ * bug #34398 [Config] fix id-generation for GlobResource (nicolas-grekas)
+ * bug #34396 [Finder] Allow ssh2 stream wrapper for sftp (damienalexandre)
+ * bug #34383 [DI] Use reproducible entropy to generate env placeholders (nicolas-grekas)
+ * bug #34381 [WebProfilerBundle] Require symfony/twig-bundle (fancyweb)
+
 * 4.3.8 (2019-11-13)
 
  * bug #34344 [Console] Constant STDOUT might be undefined (nicolas-grekas)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index ac9775f5f7c6..2274f3fb61c1 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -73,12 +73,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     private $requestStackSize = 0;
     private $resetServices = false;
 
-    const VERSION = '4.3.9-DEV';
+    const VERSION = '4.3.9';
     const VERSION_ID = 40309;
     const MAJOR_VERSION = 4;
     const MINOR_VERSION = 3;
     const RELEASE_VERSION = 9;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     const END_OF_MAINTENANCE = '01/2020';
     const END_OF_LIFE = '07/2020';