diff --git a/node/utils/Minify.js b/node/utils/Minify.js
index d9623d7e5..98774d195 100644
--- a/node/utils/Minify.js
+++ b/node/utils/Minify.js
@@ -326,6 +326,7 @@ function compressJS(values)
   var complete = values.join("\n");
   var ast = jsp.parse(complete); // parse code and get the initial AST
   ast = pro.ast_mangle(ast); // get a new AST with mangled names
+  ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
   return pro.gen_code(ast); // compressed code here
 }
 
diff --git a/package.json b/package.json
index ec6936975..d91725d53 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
                       "async"               : "0.1.15",
                       "express"             : "2.5.0",
                       "clean-css"           : "0.2.4",
-                      "uglify-js"           : "1.1.1",
+                      "uglify-js"           : "1.2.5",
                       "formidable"          : "1.0.7",
                       "log4js"              : "0.4.1",
                       "jsdom-nocontextifiy" : "0.2.10",