diff --git a/Projects/SupermarketTogether/SupermarketTogether/SupermarketTogether.csproj b/Projects/SupermarketTogether/SupermarketTogether/SupermarketTogether.csproj
index 54da434..a873282 100644
--- a/Projects/SupermarketTogether/SupermarketTogether/SupermarketTogether.csproj
+++ b/Projects/SupermarketTogether/SupermarketTogether/SupermarketTogether.csproj
@@ -57,6 +57,9 @@
         <Reference Include="UnityEngine.CoreModule">
             <HintPath>$(GAME_MANAGED)/UnityEngine.CoreModule.dll</HintPath>
         </Reference>
+        <Reference Include="Mirror">
+            <HintPath>$(GAME_MANAGED)/Mirror.dll</HintPath>
+        </Reference>
     </ItemGroup>
     <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets"/>
 </Project>