diff --git a/Directory.Build.props b/Directory.Build.props
index 504c48f..a3033ad 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -15,6 +15,8 @@
     <RepositoryType>git</RepositoryType>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageIcon>Icon.png</PackageIcon>
+    <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)opensource.snk</AssemblyOriginatorKeyFile>
+    
 
   </PropertyGroup>
 </Project>
diff --git a/sandbox/MessagePipe.Sandbox.ConsoleApp/MessagePipe.Sandbox.ConsoleApp.csproj b/sandbox/MessagePipe.Sandbox.ConsoleApp/MessagePipe.Sandbox.ConsoleApp.csproj
index 3428753..091fe69 100644
--- a/sandbox/MessagePipe.Sandbox.ConsoleApp/MessagePipe.Sandbox.ConsoleApp.csproj
+++ b/sandbox/MessagePipe.Sandbox.ConsoleApp/MessagePipe.Sandbox.ConsoleApp.csproj
@@ -6,7 +6,6 @@
         <LangVersion>latest</LangVersion>
         <Configurations>Debug;Release;WinBenchmark</Configurations>
         <SignAssembly>true</SignAssembly>
-        <AssemblyOriginatorKeyFile>../../opensource.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/MessagePipe.Analyzer/MessagePipe.Analyzer.csproj b/src/MessagePipe.Analyzer/MessagePipe.Analyzer.csproj
index 8eadd21..5d6800b 100644
--- a/src/MessagePipe.Analyzer/MessagePipe.Analyzer.csproj
+++ b/src/MessagePipe.Analyzer/MessagePipe.Analyzer.csproj
@@ -13,7 +13,6 @@
         <PackageTags>analyzer;</PackageTags>
         <Description>Analyzers of MessagePipe to prevent subscription leak.</Description>
         <SignAssembly>true</SignAssembly>
-        <AssemblyOriginatorKeyFile>../../opensource.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/MessagePipe.Redis/MessagePipe.Redis.csproj b/src/MessagePipe.Redis/MessagePipe.Redis.csproj
index 00e77b9..ad66803 100644
--- a/src/MessagePipe.Redis/MessagePipe.Redis.csproj
+++ b/src/MessagePipe.Redis/MessagePipe.Redis.csproj
@@ -8,7 +8,6 @@
         <PackageTags>pubsub;eventaggregator</PackageTags>
         <Description>Redis IDistributedPublisher/Subscriber provider for MessagePipe.</Description>
         <SignAssembly>true</SignAssembly>
-        <AssemblyOriginatorKeyFile>../../opensource.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/MessagePipe/MessagePipe.csproj b/src/MessagePipe/MessagePipe.csproj
index 2934bfa..4e4c46f 100644
--- a/src/MessagePipe/MessagePipe.csproj
+++ b/src/MessagePipe/MessagePipe.csproj
@@ -9,7 +9,6 @@
         <PackageTags>pubsub;eventaggregator</PackageTags>
         <Description>High performance in-memory/distributed messaging pipeline for .NET and Unity.</Description>
         <SignAssembly>true</SignAssembly>
-        <AssemblyOriginatorKeyFile>../../opensource.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/tests/MessagePipe.Tests/MessagePipe.Tests.csproj b/tests/MessagePipe.Tests/MessagePipe.Tests.csproj
index ce94d1d..c2e33e9 100644
--- a/tests/MessagePipe.Tests/MessagePipe.Tests.csproj
+++ b/tests/MessagePipe.Tests/MessagePipe.Tests.csproj
@@ -5,7 +5,6 @@
         <IsPackable>false</IsPackable>
         <Configurations>Debug;Release;WinBenchmark</Configurations>
         <SignAssembly>true</SignAssembly>
-        <AssemblyOriginatorKeyFile>../../opensource.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>