diff --git a/src/Pomelo.Extensions.Caching.MySql/Pomelo.Extensions.Caching.MySql.csproj b/src/Pomelo.Extensions.Caching.MySql/Pomelo.Extensions.Caching.MySql.csproj
index 2e81a90..034ff43 100644
--- a/src/Pomelo.Extensions.Caching.MySql/Pomelo.Extensions.Caching.MySql.csproj
+++ b/src/Pomelo.Extensions.Caching.MySql/Pomelo.Extensions.Caching.MySql.csproj
@@ -11,8 +11,10 @@
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
     <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
     <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
-    <Version>2.1.0</Version>
+    <Version>2.1.1</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>Pomelo.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -22,7 +24,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
-    <PackageReference Include="MySqlConnector" Version="1.2.0" />
+    <PackageReference Include="MySqlConnector" Version="1.2.1" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Pomelo.Extensions.Caching.MySql/Pomelo.snk b/src/Pomelo.Extensions.Caching.MySql/Pomelo.snk
new file mode 100644
index 0000000..2d064c2
Binary files /dev/null and b/src/Pomelo.Extensions.Caching.MySql/Pomelo.snk differ
diff --git a/src/Pomelo.Extensions.Caching.MySql/Properties/AssemblyInfo.cs b/src/Pomelo.Extensions.Caching.MySql/Properties/AssemblyInfo.cs
index 6eb2141..2b18133 100644
--- a/src/Pomelo.Extensions.Caching.MySql/Properties/AssemblyInfo.cs
+++ b/src/Pomelo.Extensions.Caching.MySql/Properties/AssemblyInfo.cs
@@ -17,4 +17,7 @@
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("b9ad0f06-39e4-4892-8691-2b01db5a1067")]
-[assembly:InternalsVisibleTo("Pomelo.Extensions.Caching.MySql.Tests")]
\ No newline at end of file
+///
+/// https://docs.microsoft.com/en-us/dotnet/standard/assembly/create-signed-friend
+///
+[assembly:InternalsVisibleTo("Pomelo.Extensions.Caching.MySql.Tests, PublicKey=00240000048000009400000006020000002400005253413100040000010001002d40e2372e6f611238ace2bf7c80546c03a568c471495b6c91b89de694de5413b25ac77a005a371c46f15ab87f13d49ec7aa9bbd9fa99d8f51deb1d87c42d81047aa118519d9813bd5973e8cc8d17d8e5e5e865bce62518aa46e2348dac3db3638b00b9a8df69e1158e4ea82913b6a14c19c07fe473e7511ce91c1b7f41155cf")]
\ No newline at end of file
diff --git a/src/Pomelo.Extensions.Caching.MySqlConfig.Tools/Pomelo.Extensions.Caching.MySqlConfig.Tools.csproj b/src/Pomelo.Extensions.Caching.MySqlConfig.Tools/Pomelo.Extensions.Caching.MySqlConfig.Tools.csproj
index 5c91940..f686515 100644
--- a/src/Pomelo.Extensions.Caching.MySqlConfig.Tools/Pomelo.Extensions.Caching.MySqlConfig.Tools.csproj
+++ b/src/Pomelo.Extensions.Caching.MySqlConfig.Tools/Pomelo.Extensions.Caching.MySqlConfig.Tools.csproj
@@ -35,7 +35,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.CommandLineUtils" Version="1.1.1" />
-	  <PackageReference Include="MySqlConnector" Version="1.2.0" />
+	  <PackageReference Include="MySqlConnector" Version="1.2.1" />
   </ItemGroup>
 
 </Project>
diff --git a/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
index 08ee02c..d8c6d8f 100644
--- a/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
+++ b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
@@ -9,7 +9,9 @@
 	  <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
-    <Version>2.1.0</Version>
+    <Version>2.1.1</Version>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>Pomelo.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -26,7 +28,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <PrivateAssets>all</PrivateAssets>
@@ -35,8 +37,8 @@
 		<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="5.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="5.0.0" />
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.0" />
-		<PackageReference Include="Moq" Version="4.15.2" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.1" />
+		<PackageReference Include="Moq" Version="4.16.1" />
   </ItemGroup>
   
 </Project>
diff --git a/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.snk b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.snk
new file mode 100644
index 0000000..2d064c2
Binary files /dev/null and b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.snk differ