diff --git a/eng/common/scripts/Update-ChangeLog.ps1 b/eng/common/scripts/Update-ChangeLog.ps1
index b56871390..e802ce6f0 100644
--- a/eng/common/scripts/Update-ChangeLog.ps1
+++ b/eng/common/scripts/Update-ChangeLog.ps1
@@ -8,12 +8,11 @@
 param (
   [Parameter(Mandatory = $true)]
   [String]$Version,
-  [Parameter(Mandatory = $true)]
   [String]$ServiceDirectory,
-  [Parameter(Mandatory = $true)]
   [String]$PackageName,
   [Boolean]$Unreleased = $true,
   [Boolean]$ReplaceLatestEntryTitle = $false,
+  [String]$ChangelogPath,
   [String]$ReleaseDate
 )
 
@@ -24,6 +23,11 @@ if ($ReleaseDate -and $Unreleased) {
     exit 1
 }
 
+if (!$PackageName -and !$ChangelogPath) {
+    LogError "You must pass either the PackageName or ChangelogPath arguument."
+    exit 1
+}
+
 if ($ReleaseDate)
 {
     try {
@@ -51,8 +55,19 @@ if ($null -eq [AzureEngSemanticVersion]::ParseVersionString($Version))
     exit 1
 }
 
-$PkgProperties = Get-PkgProperties -PackageName $PackageName -ServiceDirectory $ServiceDirectory
-$ChangeLogEntries = Get-ChangeLogEntries -ChangeLogLocation $PkgProperties.ChangeLogPath
+if ([string]::IsNullOrEmpty($ChangelogPath))
+{
+    $pkgProperties = Get-PkgProperties -PackageName $PackageName -ServiceDirectory $ServiceDirectory
+    $ChangelogPath = $pkgProperties.ChangeLogPath
+}
+
+if (!(Test-Path $ChangelogPath)) 
+{
+    LogError "Changelog path [$ChangelogPath] is invalid."
+    exit 1
+}
+
+$ChangeLogEntries = Get-ChangeLogEntries -ChangeLogLocation $ChangelogPath
 
 if ($ChangeLogEntries.Contains($Version))
 {
@@ -64,7 +79,7 @@ if ($ChangeLogEntries.Contains($Version))
 
     if ($Unreleased -and ($ChangeLogEntries[$Version].ReleaseStatus -ne $ReleaseStatus))
     {
-        LogWarning "Version [$Version] is already present in change log with a release date. Please review [$($PkgProperties.ChangeLogPath)]. No Change made."
+        LogWarning "Version [$Version] is already present in change log with a release date. Please review [$ChangelogPath]. No Change made."
         exit(0)
     }
 
@@ -72,7 +87,7 @@ if ($ChangeLogEntries.Contains($Version))
     {
         if ((Get-Date ($ChangeLogEntries[$Version].ReleaseStatus).Trim("()")) -gt (Get-Date $ReleaseStatus.Trim("()")))
         {
-            LogWarning "New ReleaseDate for version [$Version] is older than existing release date in changelog. Please review [$($PkgProperties.ChangeLogPath)]. No Change made."
+            LogWarning "New ReleaseDate for version [$Version] is older than existing release date in changelog. Please review [$ChangelogPath]. No Change made."
             exit(0)
         }
     }
@@ -120,4 +135,4 @@ else
     }
 }
 
-Set-ChangeLogContent -ChangeLogLocation $PkgProperties.ChangeLogPath -ChangeLogEntries $ChangeLogEntries
\ No newline at end of file
+Set-ChangeLogContent -ChangeLogLocation $ChangelogPath -ChangeLogEntries $ChangeLogEntries
\ No newline at end of file