use the RocketChat.Info.version

packages/rocketchat-cors/cors.coffee

@@ -29,7 +29,7 @@ WebApp.rawConnectHandlers.use (req, res, next) ->
 
 WebApp.rawConnectHandlers.use (req, res, next) ->
 	res.setHeader("Access-Control-Allow-Origin", "*")
-	res.setHeader("X-Rocket-Chat-Version", VERSION)
+	res.setHeader("X-Rocket-Chat-Version", RocketChat.Info.version)
 	res.setHeader("Access-Control-Expose-Headers",  "X-Rocket-Chat-Version")
 
 	# Block next handlers to override CORS with value http://meteor.local
@@ -44,7 +44,7 @@ WebApp.rawConnectHandlers.use (req, res, next) ->
 _staticFilesMiddleware = WebAppInternals.staticFilesMiddleware
 WebAppInternals._staticFilesMiddleware = (staticFiles, req, res, next) ->
 	res.setHeader("Access-Control-Allow-Origin", "*")
-	res.setHeader("X-Rocket-Chat-Version", VERSION)
+	res.setHeader("X-Rocket-Chat-Version", RocketChat.Info.version)
 	res.setHeader("Access-Control-Expose-Headers",  "X-Rocket-Chat-Version")
 	_staticFilesMiddleware(staticFiles, req, res, next)
 

server/lib/_version.coffee

-@VERSION = '0.0.1'
\ No newline at end of file