diff --git a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Roslyn.csproj b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Roslyn.csproj
index fff2423d..77d7877e 100644
--- a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Roslyn.csproj
+++ b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Roslyn.csproj
@@ -45,6 +45,7 @@
     <PackageReference Include="FSharp.Core" Version="4.0.1.7-alpha" />    
     <PackageReference Include="System.Buffers" Version="4.0.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.3.1" />
+    <PackageReference Include="System.ValueTuple" Version="4.3.0" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Web" />
     <Reference Include="System.Data.Linq" />
@@ -60,6 +61,7 @@
     <PackageReference Include="NUnit" Version="3.6.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.7.0" />
     <PackageReference Include="FSharp.Core" Version="4.0.1.7-alpha" />
+    <PackageReference Include="System.ValueTuple" Version="4.3.0" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Web" />
     <Reference Include="System.Data.Linq" />