diff --git a/src/Rox/Core/Client/DeviceProperties.php b/src/Rox/Core/Client/DeviceProperties.php
index cccd817..a802832 100644
--- a/src/Rox/Core/Client/DeviceProperties.php
+++ b/src/Rox/Core/Client/DeviceProperties.php
@@ -8,7 +8,7 @@
 
 class DeviceProperties implements DevicePropertiesInterface
 {
-    const DEFAULT_LIB_VERSION = '1.0.0';
+    const DEFAULT_LIB_VERSION = '4.7.0';
     const DEFAULT_DISTINCT_ID = 'stam'; // FIXME: what?
     const BUILD_NUMBER = "50"; // FIXME: fix the build number