next version
diff --git a/README.md b/README.md
index 17ffd33..b6d160a 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,9 @@
VERSION HISTORY
-----------------
+### 0.5.3 (in development)
+
+
### 0.5.2 ([browse](http://github.com/bartaz/impress.js/tree/0.5.2), [zip](http://github.com/bartaz/impress.js/zipball/0.5.2), [tar](http://github.com/bartaz/impress.js/tarball/0.5.2))
#### DOCUMENTATION RELEASE
diff --git a/js/impress.js b/js/impress.js
index f537010..cd4a293 100644
--- a/js/impress.js
+++ b/js/impress.js
@@ -11,7 +11,7 @@
*
* ------------------------------------------------
* author: Bartek Szopka
- * version: 0.5.2
+ * version: 0.5.3 (in development)
* url: http://bartaz.github.com/impress.js/
* source: http://github.com/bartaz/impress.js/
*/