diff --git a/CHANGELOG b/CHANGELOG
index 670d54aef..fd8634a4e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-# 3.26.0 (2026-XX-XX)
+# 3.26.0 (2026-05-20)
 
  * Document that the sandbox doesn't protect against resource exhaustion
  * Document `template_from_string` caveats when used in a sandboxed environment
diff --git a/src/Environment.php b/src/Environment.php
index 6b5343c60..506d8018b 100644
--- a/src/Environment.php
+++ b/src/Environment.php
@@ -43,12 +43,12 @@ use Twig\TokenParser\TokenParserInterface;
  */
 class Environment
 {
-    public const VERSION = '3.26.0-DEV';
+    public const VERSION = '3.26.0';
     public const VERSION_ID = 32600;
     public const MAJOR_VERSION = 3;
     public const MINOR_VERSION = 26;
     public const RELEASE_VERSION = 0;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     private $charset;
     private $loader;