diff --git a/CHANGELOG b/CHANGELOG
index 6e8ac9fad50..37938764469 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-# 3.4.3 (2022-XX-XX)
+# 3.4.3 (2022-09-28)
 
  * Fix a security issue on filesystem loader (possibility to load a template outside a configured directory)
 
diff --git a/src/Environment.php b/src/Environment.php
index af5d5c0819b..85aaab916ce 100644
--- a/src/Environment.php
+++ b/src/Environment.php
@@ -38,12 +38,12 @@
  */
 class Environment
 {
-    public const VERSION = '3.4.3-DEV';
+    public const VERSION = '3.4.3';
     public const VERSION_ID = 30403;
     public const MAJOR_VERSION = 3;
     public const MINOR_VERSION = 4;
     public const RELEASE_VERSION = 3;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     private $charset;
     private $loader;