diff --git a/src/MagicOnion.GeneratorCore/MagicOnion.GeneratorCore.csproj b/src/MagicOnion.GeneratorCore/MagicOnion.GeneratorCore.csproj
index 953e65071..ea78dc4c3 100644
--- a/src/MagicOnion.GeneratorCore/MagicOnion.GeneratorCore.csproj
+++ b/src/MagicOnion.GeneratorCore/MagicOnion.GeneratorCore.csproj
@@ -8,8 +8,8 @@
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.1.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.1.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="3.1.0" />
-        <PackageReference Include="Microsoft.Extensions.FileSystemGlobbing" Version="3.1.0" />
-        <PackageReference Include="System.CodeDom" Version="4.7.0" />
+        <PackageReference Include="Microsoft.Extensions.FileSystemGlobbing" Version="3.0.1" />
+        <PackageReference Include="System.CodeDom" Version="4.5.0" />
     </ItemGroup>
     <ItemGroup>
       <None Update="Generator\CodeTemplate.tt">