diff --git a/Directory.Build.props b/Directory.Build.props
index bc4847d..6bf2a64 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -10,6 +10,7 @@
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <IsPackable>false</IsPackable>
+    <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)GitHubActionsTestLogger.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <!-- Disable nullability warnings on older frameworks because there is no nullability info for BCL -->
diff --git a/GitHubActionsTestLogger.snk b/GitHubActionsTestLogger.snk
new file mode 100644
index 0000000..6992347
Binary files /dev/null and b/GitHubActionsTestLogger.snk differ
diff --git a/GitHubActionsTestLogger/GitHubActionsTestLogger.csproj b/GitHubActionsTestLogger/GitHubActionsTestLogger.csproj
index 0e5a48d..d822b33 100644
--- a/GitHubActionsTestLogger/GitHubActionsTestLogger.csproj
+++ b/GitHubActionsTestLogger/GitHubActionsTestLogger.csproj
@@ -10,6 +10,7 @@
       Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))"
       >true</IsAotCompatible
     >
+    <SignAssembly>true</SignAssembly>
   </PropertyGroup>
 
   <PropertyGroup>