diff --git a/Website/Website.csproj b/Website/Website.csproj
index 37903c0..bccf52f 100644
--- a/Website/Website.csproj
+++ b/Website/Website.csproj
@@ -16,6 +16,7 @@
   </ItemGroup>
 
   <Target Name="BuildCss" BeforeTargets="Build">
+    <Exec WorkingDirectory="$(ProjectDir)" Command="npm install" />
     <Exec WorkingDirectory="$(ProjectDir)" Command="node_modules\.bin\gulp" />
   </Target>
 </Project>