diff --git a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
index d8136df..2eefcbb 100644
--- a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
+++ b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
@@ -109,6 +109,7 @@
     <Compile Include="Controllers\CardsController.cs" />
     <Compile Include="Configuration.cs" />
     <Compile Include="Controllers\TimelogController.cs" />
+    <Compile Include="Helpers\CacheControlAttribute.cs" />
     <Compile Include="JsonpFormatter.cs" />
     <Compile Include="NinjectDependencyResolver.cs" />
     <Compile Include="NinjectDependencyScope.cs" />