diff --git a/.Lib9c.Plugin/Lib9c.Plugin.csproj b/.Lib9c.Plugin/Lib9c.Plugin.csproj
index 264114aa55..8fee90770d 100644
--- a/.Lib9c.Plugin/Lib9c.Plugin.csproj
+++ b/.Lib9c.Plugin/Lib9c.Plugin.csproj
@@ -15,5 +15,15 @@
       <ExcludeAssets>runtime</ExcludeAssets>
     </ProjectReference>
   </ItemGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="Serilog" Version="4.1.0-dev-02238">
+      <Private>false</Private>
+      <ExcludeAssets>runtime</ExcludeAssets>
+    </PackageReference>
+    <PackageReference Include="Pyroscope" Version="0.8.14">
+      <Private>false</Private>
+      <ExcludeAssets>runtime</ExcludeAssets>
+    </PackageReference>
+  </ItemGroup>
 </Project>