diff --git a/packages/fwsupdates.xml b/packages/fwsupdates.xml
index 0f4dddd..f5cbb43 100755
--- a/packages/fwsupdates.xml
+++ b/packages/fwsupdates.xml
@@ -6,7 +6,7 @@
              reboot="false"
              priority="95">
  
-        <variable name="PKG_VERSION" value="1.14" />
+        <variable name="PKG_VERSION" value="1.15" />
  
         <check type="registry" condition="equals" path="HKLM\Software\FWS\Updates\ClientVersion" value="%PKG_VERSION%" />
  
@@ -42,4 +42,3 @@
 
     </package>
 </packages>
-
diff --git a/softwares/offline_upgrade.bat b/softwares/offline_upgrade.bat
index ff2b401..064ec15 100644
--- a/softwares/offline_upgrade.bat
+++ b/softwares/offline_upgrade.bat
@@ -2,6 +2,9 @@
 
 REM perform upgrade of WPKG client
 
+REM Wait for files to be unlocked
+timeout /t 3
+
 IF EXIST "%SystemDrive%\FWSUpdates\assets.upgrade" (
   RMDIR /S /Q "%SystemDrive%\FWSUpdates\assets"
   RENAME "%SystemDrive%\FWSUpdates\assets.upgrade" assets