diff --git a/CHANGELOG b/CHANGELOG
index 85de10dd6..7624dbd93 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+* 1.24.1 (2016-XX-XX)
+
+ * n/a
+
 * 1.24.0 (2016-01-25)
 
  * adding support for the ?? operator
diff --git a/ext/twig/php_twig.h b/ext/twig/php_twig.h
index 2973e9d91..02095cac3 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 "1.24.0"
+#define PHP_TWIG_VERSION "1.24.1-DEV"
 
 #include "php.h"
 
diff --git a/lib/Twig/Environment.php b/lib/Twig/Environment.php
index 4100ef580..2dba8e393 100644
--- a/lib/Twig/Environment.php
+++ b/lib/Twig/Environment.php
@@ -16,7 +16,7 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.24.0';
+    const VERSION = '1.24.1-DEV';
 
     protected $charset;
     protected $loader;