diff --git a/package.json b/package.json
index 874404bb5..1845b8631 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mustache",
-  "version": "0.4.0",
+  "version": "0.5.0-dev",
   "description": "Logic-less {{mustache}} templates with JavaScript",
   "author": "mustache.js Authors <http://github.com/janl/mustache.js>",
   "keywords": ["mustache", "template", "templates", "ejs"],
diff --git a/wrappers/qooxdoo/qooxdoo.mustache.js.tpl.pre b/wrappers/qooxdoo/qooxdoo.mustache.js.tpl.pre
index a70d0a477..d10c0d501 100644
--- a/wrappers/qooxdoo/qooxdoo.mustache.js.tpl.pre
+++ b/wrappers/qooxdoo/qooxdoo.mustache.js.tpl.pre
@@ -19,7 +19,7 @@
 
    This class contains code based on the following work:
 
-   * Mustache.js version 0.4.0-dev
+   * Mustache.js version 0.5.0-dev
 
      Code:
        https://github.com/janl/mustache.js