diff --git a/src/PolyTrader.Core/PolyTrader.Core.csproj b/src/PolyTrader.Core/PolyTrader.Core.csproj
index e20313e..f6f82c4 100644
--- a/src/PolyTrader.Core/PolyTrader.Core.csproj
+++ b/src/PolyTrader.Core/PolyTrader.Core.csproj
@@ -9,6 +9,7 @@
   <ItemGroup>
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
+    <PackageReference Include="Nethereum.Web3" Version="6.1.0" />
   </ItemGroup>
 
 </Project>
diff --git a/services/PolymarketClobClient.cs b/src/PolyTrader.Core/Services/PolymarketClobClient.cs
similarity index 99%
rename from services/PolymarketClobClient.cs
rename to src/PolyTrader.Core/Services/PolymarketClobClient.cs
index bb019fe..67ca37f 100644
--- a/services/PolymarketClobClient.cs
+++ b/src/PolyTrader.Core/Services/PolymarketClobClient.cs
@@ -1,6 +1,4 @@
 using System;
-using MongoDB.Driver;
-using PolyTraderSharp.Extensions;
 using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;