diff --git a/App/ModernWpfPlayground.csproj b/App/ModernWpfPlayground.csproj
index 1a34ef5..7d45f0a 100644
--- a/App/ModernWpfPlayground.csproj
+++ b/App/ModernWpfPlayground.csproj
@@ -9,13 +9,13 @@
 
   <ItemGroup>
     <PackageReference Include="FastMember" Version="1.5.0" />
-    <PackageReference Include="ModernWpfUI" Version="0.9.3-preview.201004.0" />
+    <PackageReference Include="ModernWpfUI" Version="0.9.3-preview.201204.0" />
     <PackageReference Include="Prism.DryIoc" Version="8.0.0.1909" />
     <PackageReference Include="Prism.Wpf" Version="8.0.0.1909" />
-    <PackageReference Include="YamlDotNet" Version="8.1.2" />
+    <PackageReference Include="YamlDotNet" Version="9.1.0" />
     <PackageReference Include="System.Drawing.Common" Version="5.0.0" />
     <PackageReference Include="MahApps.Metro.IconPacks.FontAwesome" Version="4.8.0" />
-    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="1.0.1" />
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="1.1.0" />
     <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.18362.2005" />
   </ItemGroup>
 
diff --git a/Controls/Controls.csproj b/Controls/Controls.csproj
index c507b02..e6553ca 100644
--- a/Controls/Controls.csproj
+++ b/Controls/Controls.csproj
@@ -7,8 +7,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="1.0.1" />
-    <PackageReference Include="ModernWpfUI" Version="0.9.3-preview.201004.0" />
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="1.1.0" />
+    <PackageReference Include="ModernWpfUI" Version="0.9.3-preview.201204.0" />
     <PackageReference Include="System.Drawing.Common" Version="5.0.0" />
     <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.18362.2005" />
   </ItemGroup>