diff --git a/labs/SizerBase/tests/SizerBase.Tests.Uwp/Package.appxmanifest b/labs/SizerBase/tests/SizerBase.Tests.Uwp/Package.appxmanifest
index d15a15851..8ad2e897c 100644
--- a/labs/SizerBase/tests/SizerBase.Tests.Uwp/Package.appxmanifest
+++ b/labs/SizerBase/tests/SizerBase.Tests.Uwp/Package.appxmanifest
@@ -1,9 +1,10 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <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"
-  IgnorableNamespaces="uap mp">
+  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+  IgnorableNamespaces="uap mp rescap">
 
   <Identity Name="Labs.SizerBase.Tests.Uwp"
             Publisher="CN=CommunityToolkit"
@@ -41,5 +42,6 @@
   <Capabilities>
     <Capability Name="internetClientServer" />
     <Capability Name="privateNetworkClientServer" />
+    <rescap:Capability Name="inputInjectionBrokered" />
   </Capabilities>
-</Package>
\ No newline at end of file
+</Package>
diff --git a/labs/SizerBase/tests/SizerBase.Tests.WinAppSdk/Package.appxmanifest b/labs/SizerBase/tests/SizerBase.Tests.WinAppSdk/Package.appxmanifest
index 1de172496..e8ee8e908 100644
--- a/labs/SizerBase/tests/SizerBase.Tests.WinAppSdk/Package.appxmanifest
+++ b/labs/SizerBase/tests/SizerBase.Tests.WinAppSdk/Package.appxmanifest
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 
 <Package
   xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
@@ -43,5 +43,6 @@
 
   <Capabilities>
     <rescap:Capability Name="runFullTrust" />
+    <rescap:Capability Name="inputInjectionBrokered" />
   </Capabilities>
 </Package>