diff --git a/DataServer/DataServer.csproj b/DataServer/DataServer.csproj
index a80ddda..187e38a 100644
--- a/DataServer/DataServer.csproj
+++ b/DataServer/DataServer.csproj
@@ -55,6 +55,7 @@
     <Compile Include="api\EnergyEfficiency\get_device_operation_response.cs" />
     <Compile Include="api\EnergyEfficiency\get_electricity_price_response.cs" />
     <Compile Include="api\EnergyEfficiency\get_energy_benchmarking_response.cs" />
+    <Compile Include="api\EnergyEfficiency\get_energy_calendar_response.cs" />
     <Compile Include="api\EnergyEfficiency\get_energy_consumption_response.cs" />
     <Compile Include="api\EnergyEfficiency\get_energy_flow_response.cs" />
     <Compile Include="api\EnergyEfficiency\get_energy_trend_response.cs" />