diff --git a/src/CenterEdge.Async/CenterEdge.Async.csproj b/src/CenterEdge.Async/CenterEdge.Async.csproj
index a2d9e9b..397e787 100644
--- a/src/CenterEdge.Async/CenterEdge.Async.csproj
+++ b/src/CenterEdge.Async/CenterEdge.Async.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1;net5.0</TargetFrameworks>
@@ -11,6 +11,8 @@
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/CenterEdge.Async/key.snk b/src/CenterEdge.Async/key.snk
new file mode 100644
index 0000000..6e956ce
Binary files /dev/null and b/src/CenterEdge.Async/key.snk differ