diff --git a/UITests/UITests.App/Package.appxmanifest b/UITests/UITests.App/Package.appxmanifest
index bb5c6d4e96e..9aa617ea938 100644
--- a/UITests/UITests.App/Package.appxmanifest
+++ b/UITests/UITests.App/Package.appxmanifest
@@ -1,4 +1,4 @@
-<Package
+<Package
   xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
   xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
   xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
@@ -7,7 +7,7 @@
 
   <Identity
     Name="3568ebdf-5b6b-4ddd-bb17-462d614ba50f"
-    Publisher="CN=alzollin"
+    Publisher="CN=toolkit"
     Version="1.0.0.0" />
 
   <mp:PhoneIdentity PhoneProductId="3568ebdf-5b6b-4ddd-bb17-462d614ba50f" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
diff --git a/UITests/UITests.App/UITests.App.csproj b/UITests/UITests.App/UITests.App.csproj
index 70ce6743c4f..a82743b5f4f 100644
--- a/UITests/UITests.App/UITests.App.csproj
+++ b/UITests/UITests.App/UITests.App.csproj
@@ -1,4 +1,4 @@
-<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -22,7 +22,7 @@
     <GenerateTestArtifacts>True</GenerateTestArtifacts>
     <HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
     <PackageCertificateKeyFile>UITests.App.pfx</PackageCertificateKeyFile>
-    <PackageCertificateThumbprint>A39FFC9A7EDC3BC1F62B1FC6409AD9EDD84E8CF0</PackageCertificateThumbprint>
+    <PackageCertificateThumbprint>C732A02FD6C4120C84E0559E5ADE1A83D15B41BD</PackageCertificateThumbprint>
     <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
     <GenerateAppxPackageOnBuild>true</GenerateAppxPackageOnBuild>
     <AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
diff --git a/UITests/UITests.App/UITests.App.pfx b/UITests/UITests.App/UITests.App.pfx
index 946bbe25ddc..635d72d4664 100644
Binary files a/UITests/UITests.App/UITests.App.pfx and b/UITests/UITests.App/UITests.App.pfx differ
diff --git a/UITests/UITests.Tests.Shared/TestAssembly.cs b/UITests/UITests.Tests.Shared/TestAssembly.cs
index 47d45afbcdd..e2956adde8e 100644
--- a/UITests/UITests.Tests.Shared/TestAssembly.cs
+++ b/UITests/UITests.Tests.Shared/TestAssembly.cs
@@ -52,7 +52,7 @@ private static async Task InitalizeComService()
 
             // Use Windows.ApplicationModel.Package.Current.Id.FamilyName
             // within the app service provider to get this value.
-            CommunicationService.PackageFamilyName = "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_gspb8g6x97k2t";
+            CommunicationService.PackageFamilyName = "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_yeyc6z1eztrme";
 
             var status = await CommunicationService.OpenAsync();
 
diff --git a/UITests/UITests.Tests.Shared/UITestBase.cs b/UITests/UITests.Tests.Shared/UITestBase.cs
index d2a43582449..d513a7ca2e6 100644
--- a/UITests/UITests.Tests.Shared/UITestBase.cs
+++ b/UITests/UITests.Tests.Shared/UITestBase.cs
@@ -58,8 +58,8 @@ internal static TestApplicationInfo WinUICsUWPSampleApp
 
                 return new TestApplicationInfo(
                     testAppPackageName: "UITests.App",
-                    testAppName: "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_gspb8g6x97k2t!App",
-                    testAppPackageFamilyName: "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_gspb8g6x97k2t",
+                    testAppName: "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_yeyc6z1eztrme!App",
+                    testAppPackageFamilyName: "3568ebdf-5b6b-4ddd-bb17-462d614ba50f_yeyc6z1eztrme",
                     testAppMainWindowTitle: "UITests.App",
                     processName: "UITests.App.exe",
                     installerName: mostRecentlyBuiltPackage.Replace(".msix", string.Empty),