diff --git a/samples/manage/azure-sql-db-managed-instance/prepare-subnet/README.md b/samples/manage/azure-sql-db-managed-instance/prepare-subnet/README.md
index 5e23478d..975d1ea4 100644
--- a/samples/manage/azure-sql-db-managed-instance/prepare-subnet/README.md
+++ b/samples/manage/azure-sql-db-managed-instance/prepare-subnet/README.md
@@ -55,7 +55,7 @@ $parameters = @{
     subnetName = '<subnetName>'
     }
 
-Invoke-Command -ScriptBlock ([Scriptblock]::Create((New-Object System.Net.WebClient).DownloadString($scriptUrlBase+'/prepareSubnet.ps1'))) -ArgumentList $parameters
+Invoke-Command -ScriptBlock ([Scriptblock]::Create((New-Object System.Net.WebClient).DownloadString($scriptUrlBase+'/prepareSubnet.ps1?t='+ [DateTime]::Now.Ticks))) -ArgumentList $parameters
 
 ```