diff --git a/ComputingServices/ComputingServices.vbproj b/ComputingServices/ComputingServices.vbproj
index 10eb313..207b73a 100644
--- a/ComputingServices/ComputingServices.vbproj
+++ b/ComputingServices/ComputingServices.vbproj
@@ -159,6 +159,9 @@
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />
+    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\System.ValueTuple.4.4.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Web" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
@@ -251,6 +254,7 @@
       <CustomToolNamespace>My</CustomToolNamespace>
       <LastGenOutput>Settings.Designer.vb</LastGenOutput>
     </None>
+    <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\sciBASIC#\Microsoft.VisualBasic.Architecture.Framework\+Microsoft.VisualBasic.Architecture.Framework.vbproj">
diff --git a/ComputingServices/packages.config b/ComputingServices/packages.config
new file mode 100644
index 0000000..f7d225f
--- /dev/null
+++ b/ComputingServices/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="System.ValueTuple" version="4.4.0" targetFramework="net47" />
+</packages>
\ No newline at end of file
diff --git a/LINQ/LINQ/LINQ.vbproj b/LINQ/LINQ/LINQ.vbproj
index ae99ae3..32b3694 100644
--- a/LINQ/LINQ/LINQ.vbproj
+++ b/LINQ/LINQ/LINQ.vbproj
@@ -191,6 +191,9 @@
     <Reference Include="System.Data.Entity" />
     <Reference Include="System.Data.Linq" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\System.ValueTuple.4.4.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
@@ -282,6 +285,7 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="LINQ.ico" />
+    <None Include="packages.config" />
     <None Include="Resources\license.txt" />
     <None Include="Resources\gpl.txt" />
   </ItemGroup>
diff --git a/LINQ/LINQ/packages.config b/LINQ/LINQ/packages.config
new file mode 100644
index 0000000..f7d225f
--- /dev/null
+++ b/LINQ/LINQ/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="System.ValueTuple" version="4.4.0" targetFramework="net47" />
+</packages>
\ No newline at end of file
diff --git a/RQL/RQL.vbproj b/RQL/RQL.vbproj
index 37dd19d..331eb84 100644
--- a/RQL/RQL.vbproj
+++ b/RQL/RQL.vbproj
@@ -157,6 +157,9 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Data" />
+    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\System.ValueTuple.4.4.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -218,6 +221,7 @@
       <CustomToolNamespace>My</CustomToolNamespace>
       <LastGenOutput>Settings.Designer.vb</LastGenOutput>
     </None>
+    <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\httpd\WebCloud\SMRUCC.HTTPInternal\SMRUCC.WebCloud.HTTPInternal.vbproj">
diff --git a/RQL/packages.config b/RQL/packages.config
new file mode 100644
index 0000000..f7d225f
--- /dev/null
+++ b/RQL/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="System.ValueTuple" version="4.4.0" targetFramework="net47" />
+</packages>
\ No newline at end of file