diff --git a/ajax/libs/extjs/package.json b/ajax/libs/extjs/package.json
index 355f8d815..356da08c1 100644
--- a/ajax/libs/extjs/package.json
+++ b/ajax/libs/extjs/package.json
@@ -1,7 +1,7 @@
 {
     "name": "extjs",
     "filename": "ext-all.js",
-    "version": "3.4.1-1",
+    "version": "4.2.1",
     "description": "Ext JS is the developer's choice for building powerful desktop web applications using JavaScript and web standards.",
     "homepage": "http://www.sencha.com/products/extjs/",
     "keywords": [