diff --git a/CHANGELOG b/CHANGELOG
index 8b2c070d0..9da1b1f1f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+* 1.23.3 (2016-XX-XX)
+
+ * n/a
+
 * 1.23.2 (2015-01-11)
 
  * added versions in deprecated messages
diff --git a/ext/twig/php_twig.h b/ext/twig/php_twig.h
index 6c0f7c6bd..a8b6e2862 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 "1.23.2"
+#define PHP_TWIG_VERSION "1.23.3-DEV"
 
 #include "php.h"
 
diff --git a/lib/Twig/Environment.php b/lib/Twig/Environment.php
index 6c4c76d97..d193748c3 100644
--- a/lib/Twig/Environment.php
+++ b/lib/Twig/Environment.php
@@ -16,7 +16,7 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.23.2';
+    const VERSION = '1.23.3-DEV';
 
     protected $charset;
     protected $loader;