diff --git a/Directory.Build.props b/Directory.Build.props
index 66ed128..df314fa 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,6 +4,8 @@
         <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)StyleCop.ruleset</CodeAnalysisRuleSet>
         <LangVersion>10</LangVersion>
         <MinVerTagPrefix>v</MinVerTagPrefix>
+        <SignAssembly>true</SignAssembly>
+        <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)assets/Serilog.Sinks.Grafana.Loki.snk</AssemblyOriginatorKeyFile>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/assets/Serilog.Sinks.Grafana.Loki.snk b/assets/Serilog.Sinks.Grafana.Loki.snk
new file mode 100644
index 0000000..e65f758
Binary files /dev/null and b/assets/Serilog.Sinks.Grafana.Loki.snk differ
diff --git a/src/Serilog.Sinks.Grafana.Loki/LoggerConfigurationLokiExtensions.cs b/src/Serilog.Sinks.Grafana.Loki/LoggerConfigurationLokiExtensions.cs
index fc50730..3c63746 100644
--- a/src/Serilog.Sinks.Grafana.Loki/LoggerConfigurationLokiExtensions.cs
+++ b/src/Serilog.Sinks.Grafana.Loki/LoggerConfigurationLokiExtensions.cs
@@ -16,7 +16,9 @@
 using Serilog.Sinks.Grafana.Loki.HttpClients;
 using Serilog.Sinks.Grafana.Loki.Utils;
 
-[assembly: InternalsVisibleTo("Serilog.Sinks.Grafana.Loki.Tests")]
+[assembly:
+    InternalsVisibleTo(
+        "Serilog.Sinks.Grafana.Loki.Tests, PublicKey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
 
 namespace Serilog.Sinks.Grafana.Loki;