diff --git a/scripts/dbus.js b/scripts/dbus.js
--- a/scripts/dbus.js
+++ b/scripts/dbus.js
@@ -39,6 +39,8 @@
         var data = {};
         copyProperties(
             ['path', 'iface', 'member', 'destination', 'body'], params, data);
+        // Prevent caching
+        data.random = new Date().getTime();
         var deferred = $.Deferred();
 
         $.ajax('dbus:' + busName + '/call', {
diff --git a/tianbar.cabal b/tianbar.cabal
--- a/tianbar.cabal
+++ b/tianbar.cabal
@@ -1,5 +1,5 @@
 name:                tianbar
-version:             0.3.4.1
+version:             0.3.5.0
 synopsis:            A desktop bar based on WebKit
 description:
   A desktop bar using WebKit for rendering as much as possible.