diff --git a/change_log.txt b/change_log.txt
index 1cab03c5..dcde02e8 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,5 @@
- ===== 3.1.22 ===== (10.05.2015)
+ ===== 3.1.23-dev ===== (xx.xx.2015)
+ ===== 3.1.22 ===== (10.05.2015)
  10.05.2015
   - bugfix custom cache resource did not observe compile_id and cache_id when $cache_locking == true
   - bugfix cache lock was not handled correctly after timeout when $cache_locking == true
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 3e3d9b91..9c63a9ff 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -111,7 +111,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.22';
+    const SMARTY_VERSION = '3.1.23-dev/0';
 
     /**
      * define variable scopes