diff --git a/RpcGen/RpcGen.csproj b/RpcGen/RpcGen.csproj
index 9f10b4b..c995246 100644
--- a/RpcGen/RpcGen.csproj
+++ b/RpcGen/RpcGen.csproj
@@ -32,7 +32,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.CodeDom" Version="8.0.0" />
+    <PackageReference Include="System.CodeDom" Version="9.0.8" />
   </ItemGroup>
 
   <ItemGroup>