diff --git a/modernizr.js b/modernizr.js
index 92e608959c..23af67b778 100644
--- a/modernizr.js
+++ b/modernizr.js
@@ -24,7 +24,7 @@
 
 window.Modernizr = (function( window, document, undefined ) {
 
-    var version = '2.5.1pre',
+    var version = '2.5.2pre',
 
     Modernizr = {},