diff --git a/lib/main.js b/lib/main.js
index 7c602664a137486eec918c6789a9394617692528..c8dc43c101af4e7afeba6987d226f214f4a5d553 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -146,7 +146,7 @@ window.onload = function() {
         oElement.style.display = "none";
     });
     $.ajax({
-        "url": "./data.json",
+        "url": "./data.json?t="+new Date().getTime(),
         "success": function(oResponse) {
             oData = oResponse;
             document.getElementById("now").innerText = oData.now;