diff --git a/scripts/Microsoft.Xaml.Behaviors.WinUI.Managed.nuspec b/scripts/Microsoft.Xaml.Behaviors.WinUI.Managed.nuspec
index 5adfd1f..a45e062 100644
--- a/scripts/Microsoft.Xaml.Behaviors.WinUI.Managed.nuspec
+++ b/scripts/Microsoft.Xaml.Behaviors.WinUI.Managed.nuspec
@@ -15,7 +15,7 @@
         <tags>Behavior Action Behaviors Actions Blend Managed C# Interaction Interactivity Interactions WinUI</tags>
         <dependencies>
           <group targetFramework="net8.0-windows10.0.17763.0">
-            <dependency id="Microsoft.WindowsAppSDK" version="1.5.240607001" />
+            <dependency id="Microsoft.WindowsAppSDK" version="1.6.240807006-preview1" />
           </group>
         </dependencies>
     </metadata>
diff --git a/src/BehaviorsSDKManaged/ManagedUnitTests/ManagedUnitTests.csproj b/src/BehaviorsSDKManaged/ManagedUnitTests/ManagedUnitTests.csproj
index 3fb37e4..bbc83b0 100644
--- a/src/BehaviorsSDKManaged/ManagedUnitTests/ManagedUnitTests.csproj
+++ b/src/BehaviorsSDKManaged/ManagedUnitTests/ManagedUnitTests.csproj
@@ -141,7 +141,7 @@
       <Version>2.2.10</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>13.0.2</Version>
+      <Version>13.0.3</Version>
     </PackageReference>
   </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
index eab3d68..ce752ef 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
@@ -131,10 +131,10 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NuGet.Build.Tasks.Pack.6.10.1\build\NuGet.Build.Tasks.Pack.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NuGet.Build.Tasks.Pack.6.10.1\build\NuGet.Build.Tasks.Pack.targets'))" />
+    <Error Condition="!Exists('..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets'))" />
     <Error Condition="!Exists('..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.props'))" />
     <Error Condition="!Exists('..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.targets'))" />
   </Target>
-  <Import Project="..\packages\NuGet.Build.Tasks.Pack.6.10.1\build\NuGet.Build.Tasks.Pack.targets" Condition="Exists('..\packages\NuGet.Build.Tasks.Pack.6.10.1\build\NuGet.Build.Tasks.Pack.targets')" />
+  <Import Project="..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets" Condition="Exists('..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets')" />
   <Import Project="..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.targets" Condition="Exists('..\packages\Microsoft.VisualStudioEng.MicroBuild.Core.1.0.0\build\Microsoft.VisualStudioEng.MicroBuild.Core.targets')" />
 </Project>
\ No newline at end of file
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/packages.config b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/packages.config
index c9d436c..c2806fb 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/packages.config
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.Design/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.VisualStudioEng.MicroBuild.Core" version="1.0.0" targetFramework="net48" developmentDependency="true" />
-  <package id="NuGet.Build.Tasks.Pack" version="6.10.1" targetFramework="net48" developmentDependency="true" />
+  <package id="NuGet.Build.Tasks.Pack" version="5.7.0" targetFramework="net48" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.WinUI/Microsoft.Xaml.Interactions.WinUI.csproj b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.WinUI/Microsoft.Xaml.Interactions.WinUI.csproj
index ad27194..222b814 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.WinUI/Microsoft.Xaml.Interactions.WinUI.csproj
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions.WinUI/Microsoft.Xaml.Interactions.WinUI.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <TargetFramework>net8.0-windows10.0.17763.0</TargetFramework>
+    <WindowsSdkPackageVersion>10.0.17763.41</WindowsSdkPackageVersion>
     <TargetPlatformVersion>10.0.17763.0</TargetPlatformVersion>
     <RootNamespace>Microsoft.Xaml.Interactions</RootNamespace>
     <Platforms>AnyCPU;x86;x64;arm64</Platforms>
@@ -10,6 +11,11 @@
     <SupportedOSPlatformVersion>$(TargetPlatformMinVersion)</SupportedOSPlatformVersion>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <IsAotCompatible>true</IsAotCompatible>
+    <DisableRuntimeMarshalling>true</DisableRuntimeMarshalling>
+    <CsWinRTAotWarningLevel>2</CsWinRTAotWarningLevel>
+
+    <!-- Temporary workaround for a WebView2 bug -->
+    <WebView2EnableCsWinRTProjectionExcludeCoreRef>true</WebView2EnableCsWinRTProjectionExcludeCoreRef>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -104,7 +110,8 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240607001" />
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.1.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.240807006-preview1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.Xaml.Interactivity.WinUI\Microsoft.Xaml.Interactivity.WinUI.csproj">
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Microsoft.Xaml.Interactions.csproj b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Microsoft.Xaml.Interactions.csproj
index 89b0590..bb742c3 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Microsoft.Xaml.Interactions.csproj
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Microsoft.Xaml.Interactions.csproj
@@ -132,7 +132,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
-      <Version>6.2.10</Version>
+      <Version>6.2.14</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudioEng.MicroBuild.Core">
       <Version>1.0.0</Version>
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/ActionCollection.cs b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/ActionCollection.cs
index ea90c0f..92682c7 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/ActionCollection.cs
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/ActionCollection.cs
@@ -15,7 +15,7 @@ namespace Microsoft.Xaml.Interactivity
     /// <summary>
     /// Represents a collection of IActions.
     /// </summary>
-    public sealed class ActionCollection : DependencyObjectCollection
+    public sealed partial class ActionCollection : DependencyObjectCollection
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ActionCollection"/> class.
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/BehaviorCollection.cs b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/BehaviorCollection.cs
index b55f172..8330403 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/BehaviorCollection.cs
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.Shared/BehaviorCollection.cs
@@ -17,7 +17,7 @@ namespace Microsoft.Xaml.Interactivity
     /// <summary>
     /// Represents a collection of IBehaviors with a shared <see cref="Microsoft.Xaml.Interactivity.BehaviorCollection.AssociatedObject"/>.
     /// </summary>
-    public sealed class BehaviorCollection : DependencyObjectCollection
+    public sealed partial class BehaviorCollection : DependencyObjectCollection
     {
         // After a VectorChanged event we need to compare the current state of the collection
         // with the old collection so that we can call Detach on all removed items.
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.WinUI/Microsoft.Xaml.Interactivity.WinUI.csproj b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.WinUI/Microsoft.Xaml.Interactivity.WinUI.csproj
index b62a136..193221c 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.WinUI/Microsoft.Xaml.Interactivity.WinUI.csproj
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity.WinUI/Microsoft.Xaml.Interactivity.WinUI.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <TargetFramework>net8.0-windows10.0.17763.0</TargetFramework>
+    <WindowsSdkPackageVersion>10.0.17763.41</WindowsSdkPackageVersion>
     <TargetPlatformVersion>10.0.17763.0</TargetPlatformVersion>
     <RootNamespace>Microsoft.Xaml.Interactivity</RootNamespace>
     <Platforms>AnyCPU;x86;x64;arm64</Platforms>
@@ -10,6 +11,11 @@
     <SupportedOSPlatformVersion>$(TargetPlatformMinVersion)</SupportedOSPlatformVersion>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <IsAotCompatible>true</IsAotCompatible>
+    <DisableRuntimeMarshalling>true</DisableRuntimeMarshalling>
+    <CsWinRTAotWarningLevel>2</CsWinRTAotWarningLevel>
+
+    <!-- Temporary workaround for a WebView2 bug -->
+    <WebView2EnableCsWinRTProjectionExcludeCoreRef>true</WebView2EnableCsWinRTProjectionExcludeCoreRef>
   </PropertyGroup>
   <PropertyGroup>
     <OutputPath>..\..\..\out\WinUI\$(SolutionName)\bin\$(Platform)\$(Configuration)\</OutputPath>
@@ -101,7 +107,8 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240607001" />
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.1.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.240807006-preview1" />
   </ItemGroup>
   <ItemGroup>
     <PRIResource Include="..\Microsoft.Xaml.Interactivity\Resources\de-DE\Strings.resw">
@@ -181,7 +188,7 @@
     <PackageOutputPath>..\..\..\out\NuGetPackages</PackageOutputPath>
   </PropertyGroup>
   <Import Project="..\Version\NuGetPackageVersion.props" />
-  <Import Project="..\packages\NuGet.Build.Tasks.Pack.4.9.4\build\NuGet.Build.Tasks.Pack.targets" Condition="Exists('..\packages\NuGet.Build.Tasks.Pack.4.9.4\build\NuGet.Build.Tasks.Pack.targets')" />
+  <Import Project="..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets" Condition="Exists('..\packages\NuGet.Build.Tasks.Pack.5.7.0\build\NuGet.Build.Tasks.Pack.targets')" />
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <DocumentationFile>..\..\..\out\WinUI\BehaviorsSDKManaged\bin\$(Platform)\Release\Microsoft.Xaml.Interactivity.xml</DocumentationFile>
   </PropertyGroup>
diff --git a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity/Microsoft.Xaml.Interactivity.csproj b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity/Microsoft.Xaml.Interactivity.csproj
index ec87ee3..541d6ea 100644
--- a/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity/Microsoft.Xaml.Interactivity.csproj
+++ b/src/BehaviorsSDKManaged/Microsoft.Xaml.Interactivity/Microsoft.Xaml.Interactivity.csproj
@@ -128,7 +128,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
-      <Version>6.2.10</Version>
+      <Version>6.2.14</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudioEng.MicroBuild.Core">
       <Version>1.0.0</Version>
diff --git a/src/BehaviorsSDKNative/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj b/src/BehaviorsSDKNative/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
index 62603f4..c9058c0 100644
--- a/src/BehaviorsSDKNative/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
+++ b/src/BehaviorsSDKNative/Microsoft.Xaml.Interactions.Design/Microsoft.Xaml.Interactions.Design.csproj
@@ -129,7 +129,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="NuGet.Build.Tasks.Pack">
-      <Version>4.9.4</Version>
+      <Version>5.7.0</Version>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>