diff --git a/CHANGELOG-5.3.md b/CHANGELOG-5.3.md
index f73800bc11f80..ceeefa8cad098 100644
--- a/CHANGELOG-5.3.md
+++ b/CHANGELOG-5.3.md
@@ -7,6 +7,15 @@ in 5.3 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/v5.3.0...v5.3.1
 
+* 5.3.12 (2021-11-24)
+
+ * security #cve-2021-41268 [SecurityBundle] Default signature_properties to the previous behavior (wouterj)
+ * security #cve-2021-41267 [HttpKernel] Fix missing extra trusted header in sub-request (jderusse)
+ * security #cve-2021-41270 [Serializer] Use single quote to escape formulas (jderusse)
+ * bug #44232 [Cache] fix connecting to local Redis sockets (nicolas-grekas)
+ * bug #44204 [HttpClient] fix closing curl multi handle when destructing client (nicolas-grekas)
+ * bug #44208 [Process] exclude argv/argc from possible default env vars (nicolas-grekas)
+
 * 5.3.11 (2021-11-22)
 
  * bug #44188 [VarExporter] fix exporting declared but unset properties when __sleep() is implemented (nicolas-grekas)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index d7d01dca5502c..ec7d23f26d94b 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -75,12 +75,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    public const VERSION = '5.3.12-DEV';
+    public const VERSION = '5.3.12';
     public const VERSION_ID = 50312;
     public const MAJOR_VERSION = 5;
     public const MINOR_VERSION = 3;
     public const RELEASE_VERSION = 12;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '01/2022';
     public const END_OF_LIFE = '01/2022';