diff --git a/CHANGELOG-3.4.md b/CHANGELOG-3.4.md
index f0cde9e267..567f31a8c1 100644
--- a/CHANGELOG-3.4.md
+++ b/CHANGELOG-3.4.md
@@ -7,6 +7,21 @@ in 3.4 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/v3.4.0...v3.4.1
 
+* 3.4.15 (2018-08-28)
+
+ * bug #28278 [HttpFoundation] Fix unprepared BinaryFileResponse sends empty file (wackymole)
+ * bug #28284 [PhpUnitBridge] keep compat with composer 1.0 (nicolas-grekas)
+ * bug #28241 [HttpKernel] fix forwarding trusted headers as server parameters (nicolas-grekas)
+ * bug #28220 [PropertyAccess] fix type error handling when writing values (xabbuh)
+ * bug #28249 [Cache] enable Memcached::OPT_TCP_NODELAY to fix perf of misses (nicolas-grekas)
+ * bug #28252 [DoctrineBridge] support __toString as documented for UniqueEntityValidator (dmaicher)
+ * bug #28100 [Security] Call AccessListener after LogoutListener (chalasr)
+ * bug #28060 [DI] Fix false-positive circular ref leading to wrong exceptions or infinite loops at runtime (nicolas-grekas)
+ * bug #28144 [HttpFoundation] fix false-positive ConflictingHeadersException (nicolas-grekas)
+ * bug #28012 [PropertyInfo] Allow nested collections (jderusse)
+ * bug #28055 [PropertyInfo] Allow nested collections (jderusse)
+ * bug #28083 Remove the Expires header when calling Response::expire() (javiereguiluz)
+
 * 3.4.14 (2018-08-01)
 
  * security #cve-2018-14774 [HttpKernel] fix trusted headers management in HttpCache and InlineFragmentRenderer (nicolas-grekas)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 0f4eeeb58a..ac6471a8b9 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -67,12 +67,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     private $requestStackSize = 0;
     private $resetServices = false;
 
-    const VERSION = '3.4.15-DEV';
+    const VERSION = '3.4.15';
     const VERSION_ID = 30415;
     const MAJOR_VERSION = 3;
     const MINOR_VERSION = 4;
     const RELEASE_VERSION = 15;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     const END_OF_MAINTENANCE = '11/2020';
     const END_OF_LIFE = '11/2021';