diff --git a/SuccessfulCode.BetfairApi/SuccessfulCode.BetfairApi.csproj b/SuccessfulCode.BetfairApi/SuccessfulCode.BetfairApi.csproj
index d2f7546..5852158 100644
--- a/SuccessfulCode.BetfairApi/SuccessfulCode.BetfairApi.csproj
+++ b/SuccessfulCode.BetfairApi/SuccessfulCode.BetfairApi.csproj
@@ -5,6 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="SuccessfulCodeTools" Version="1.0.2" />
   </ItemGroup>