diff --git a/CHANGELOG b/CHANGELOG
index cc3a168de..f4bd1d9d9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-* 1.42.0 (2019-XX-XX)
+* 1.42.0 (2019-05-31)
 
  * fixed the "filter" filter when the argument is \Traversable but does not implement \Iterator (\SimpleXmlElement for instance)
  * fixed a PHP fatal error when calling a macro imported in a block in a nested block
diff --git a/ext/twig/php_twig.h b/ext/twig/php_twig.h
index 780679369..b5f392ad7 100644
--- a/ext/twig/php_twig.h
+++ b/ext/twig/php_twig.h
@@ -15,7 +15,7 @@
 #ifndef PHP_TWIG_H
 #define PHP_TWIG_H
 
-#define PHP_TWIG_VERSION "1.41.2-DEV"
+#define PHP_TWIG_VERSION "1.42.0"
 
 #include "php.h"
 
diff --git a/src/Environment.php b/src/Environment.php
index be42d517e..ba63f944a 100644
--- a/src/Environment.php
+++ b/src/Environment.php
@@ -41,12 +41,12 @@ use Twig\TokenParser\TokenParserInterface;
  */
 class Environment
 {
-    const VERSION = '1.42.0-DEV';
+    const VERSION = '1.42.0';
     const VERSION_ID = 14200;
     const MAJOR_VERSION = 1;
     const MINOR_VERSION = 42;
     const RELEASE_VERSION = 0;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     protected $charset;
     protected $loader;