Update package.json

Author: Pelirrojo

P02_nodejsutilities/package.json

@@ -3,11 +3,11 @@
     "version"     : "0.0.1",
     "dependencies": {
         "http-proxy": ">= 0.10.3",
-        "connect"        : ">= 2.7.8",
-  	"express":"2.5.4",
+        "connect": ">= 2.7.8",
+  	"express":">=3.11.0",
   	"ntwitter":"0.2.10",
 	"lazy":">=1.0.11",
-        "mkdirp"  : ">= 0.3.5"
+        "mkdirp": ">= 0.3.5"
     },
 
     "repository": {