diff --git a/ZR.Common/ZR.Common.csproj b/ZR.Common/ZR.Common.csproj
index 9d290da..6c9ad0f 100644
--- a/ZR.Common/ZR.Common.csproj
+++ b/ZR.Common/ZR.Common.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="Aliyun.OSS.SDK.NetCore" Version="2.13.0" />
     <PackageReference Include="EPPlus" Version="5.8.3" />
-    <PackageReference Include="MailKit" Version="2.15.0" />
+    <PackageReference Include="MailKit" Version="3.0.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="5.0.0" />
   </ItemGroup>