diff --git a/src/Cnblogs.Architecture.Ddd.Domain.Abstractions/Cnblogs.Architecture.Ddd.Domain.Abstractions.csproj b/src/Cnblogs.Architecture.Ddd.Domain.Abstractions/Cnblogs.Architecture.Ddd.Domain.Abstractions.csproj
index 85ca513..54330de 100644
--- a/src/Cnblogs.Architecture.Ddd.Domain.Abstractions/Cnblogs.Architecture.Ddd.Domain.Abstractions.csproj
+++ b/src/Cnblogs.Architecture.Ddd.Domain.Abstractions/Cnblogs.Architecture.Ddd.Domain.Abstractions.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.1.0" />
+    <PackageReference Include="MediatR" Version="12.1.1" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Cnblogs.Architecture.Ddd.EventBus.Abstractions/Cnblogs.Architecture.Ddd.EventBus.Abstractions.csproj b/src/Cnblogs.Architecture.Ddd.EventBus.Abstractions/Cnblogs.Architecture.Ddd.EventBus.Abstractions.csproj
index 6fbb54b..cf45e84 100644
--- a/src/Cnblogs.Architecture.Ddd.EventBus.Abstractions/Cnblogs.Architecture.Ddd.EventBus.Abstractions.csproj
+++ b/src/Cnblogs.Architecture.Ddd.EventBus.Abstractions/Cnblogs.Architecture.Ddd.EventBus.Abstractions.csproj
@@ -6,6 +6,6 @@
     </Description>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.1.0" />
+    <PackageReference Include="MediatR" Version="12.1.1" />
   </ItemGroup>
 </Project>