diff --git a/source/dotnet/Library/AdaptiveCards.Templating.CSharp.WinRT/AdaptiveCards.Template.csproj b/source/dotnet/Library/AdaptiveCards.Templating.CSharp.WinRT/AdaptiveCards.Template.csproj
index 4e7793128b..a1f9d88921 100644
--- a/source/dotnet/Library/AdaptiveCards.Templating.CSharp.WinRT/AdaptiveCards.Template.csproj
+++ b/source/dotnet/Library/AdaptiveCards.Templating.CSharp.WinRT/AdaptiveCards.Template.csproj
@@ -7,8 +7,12 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <PropertyGroup>   
+  <PropertyGroup>
     <CsWinRTComponent>true</CsWinRTComponent>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFilePath>../../../../35MSSharedLib1024.snk</AssemblyOriginatorKeyFilePath>
+    <AssemblyOriginatorKeyFile>$(AssemblyOriginatorKeyFilePath)</AssemblyOriginatorKeyFile>
+    <DelaySign>True</DelaySign>
   </PropertyGroup>
 
   <ItemGroup>