diff --git a/tools/cgmanifest.json b/tools/cgmanifest.json
index 96137367dd2..3816494e256 100644
--- a/tools/cgmanifest.json
+++ b/tools/cgmanifest.json
@@ -695,7 +695,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "StyleCop.Analyzers",
-          "Version": "1.2.0-beta.354"
+          "Version": "1.1.118"
         }
       },
       "DevelopmentDependency": true
diff --git a/tools/findMissingNotices.ps1 b/tools/findMissingNotices.ps1
index 275116da79b..315a83284d7 100644
--- a/tools/findMissingNotices.ps1
+++ b/tools/findMissingNotices.ps1
@@ -13,6 +13,11 @@ Import-Module dotnet.project.assets
 Import-Module "$PSScriptRoot\..\.github\workflows\GHWorkflowHelper" -Force
 . "$PSScriptRoot\..\tools\buildCommon\startNativeExecution.ps1"
 
+$packageSourceName = 'findMissingNoticesNugetOrg'
+if (!(Get-PackageSource -Name $packageSourceName -ErrorAction SilentlyContinue)) {
+    $null = Register-PackageSource -Name $packageSourceName -Location https://www.nuget.org/api/v2 -ProviderName NuGet
+}
+
 $existingRegistrationTable = @{}
 $cgManifestPath = (Resolve-Path -Path $PSScriptRoot\..\tools\cgmanifest.json).ProviderPath
 $existingRegistrationsJson = Get-Content $cgManifestPath | ConvertFrom-Json -AsHashtable
@@ -109,7 +114,9 @@ function New-NugetComponent {
 $nugetPublicVersionCache = [System.Collections.Generic.Dictionary[string, string]]::new()
 function Get-NuGetPublicVersion {
     param(
+        [parameter(Mandatory)]
         [string]$Name,
+        [parameter(Mandatory)]
         [string]$Version
     )
 
@@ -124,7 +131,7 @@ function Get-NuGetPublicVersion {
     }
 
     $publicVersion = $null
-    $publicVersion = Find-Package -Name $Name -AllowPrereleaseVersions -source nuget.org -AllVersions -ErrorAction SilentlyContinue | ForEach-Object {
+    $publicVersion = Find-Package -Name $Name -AllowPrereleaseVersions -source $packageSourceName -AllVersions -ErrorAction SilentlyContinue | ForEach-Object {
         try {
             $packageVersion = [System.Management.Automation.SemanticVersion]$_.Version
         } catch {