diff --git a/Build/mkall.targets b/Build/mkall.targets
index 81b6a53364..6c5d92a33d 100644
--- a/Build/mkall.targets
+++ b/Build/mkall.targets
@@ -687,6 +687,7 @@
+
diff --git a/Build/nuget-common/packages.config b/Build/nuget-common/packages.config
index e8576c2c06..20cea28e21 100644
--- a/Build/nuget-common/packages.config
+++ b/Build/nuget-common/packages.config
@@ -86,6 +86,7 @@
+
diff --git a/Src/AppForTests.config b/Src/AppForTests.config
index 72c2d932de..7f198bde1c 100644
--- a/Src/AppForTests.config
+++ b/Src/AppForTests.config
@@ -16,6 +16,10 @@
+
+
+
+
diff --git a/Src/Common/Controls/FwControls/FwControls.csproj b/Src/Common/Controls/FwControls/FwControls.csproj
index 6df2439dcb..46215dc49a 100644
--- a/Src/Common/Controls/FwControls/FwControls.csproj
+++ b/Src/Common/Controls/FwControls/FwControls.csproj
@@ -214,6 +214,10 @@
..\..\..\..\Output\Debug\icu.net.dll
True
+
+ False
+ ..\..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
diff --git a/Src/Common/FwUtils/FwUtils.csproj b/Src/Common/FwUtils/FwUtils.csproj
index 0a03928a3a..e443df16d3 100644
--- a/Src/Common/FwUtils/FwUtils.csproj
+++ b/Src/Common/FwUtils/FwUtils.csproj
@@ -170,6 +170,10 @@
+
+ False
+ ..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
False
diff --git a/Src/Common/ScriptureUtils/ScriptureUtils.csproj b/Src/Common/ScriptureUtils/ScriptureUtils.csproj
index 898d200987..8f77325cb0 100644
--- a/Src/Common/ScriptureUtils/ScriptureUtils.csproj
+++ b/Src/Common/ScriptureUtils/ScriptureUtils.csproj
@@ -184,6 +184,10 @@
+
+ False
+ ..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
False
..\..\..\Output\Debug\Utilities.dll
diff --git a/Src/Directory.Build.targets b/Src/Directory.Build.targets
index e1e3ebdd37..e5818ac21a 100644
--- a/Src/Directory.Build.targets
+++ b/Src/Directory.Build.targets
@@ -1,7 +1,7 @@
-
+
\ No newline at end of file
diff --git a/Src/FwCoreDlgs/FwCoreDlgs.csproj b/Src/FwCoreDlgs/FwCoreDlgs.csproj
index c6b6a9df28..69b7f55390 100644
--- a/Src/FwCoreDlgs/FwCoreDlgs.csproj
+++ b/Src/FwCoreDlgs/FwCoreDlgs.csproj
@@ -149,6 +149,9 @@
..\..\Output\Debug\SIL.Windows.Forms.WritingSystems.dll
+
+ ..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
ViewsInterfaces
False
diff --git a/Src/FwCoreDlgs/FwCoreDlgsTests/FwCoreDlgsTests.csproj b/Src/FwCoreDlgs/FwCoreDlgsTests/FwCoreDlgsTests.csproj
index 45d2c1a2b2..e2136413cf 100644
--- a/Src/FwCoreDlgs/FwCoreDlgsTests/FwCoreDlgsTests.csproj
+++ b/Src/FwCoreDlgs/FwCoreDlgsTests/FwCoreDlgsTests.csproj
@@ -165,6 +165,9 @@
..\..\..\Output\Debug\SIL.WritingSystems.Tests.dll
+
+ ..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
ViewsInterfaces
diff --git a/Src/FwParatextLexiconPlugin/FwParatextLexiconPlugin.csproj b/Src/FwParatextLexiconPlugin/FwParatextLexiconPlugin.csproj
index 29884605f6..35ed2f6f3b 100644
--- a/Src/FwParatextLexiconPlugin/FwParatextLexiconPlugin.csproj
+++ b/Src/FwParatextLexiconPlugin/FwParatextLexiconPlugin.csproj
@@ -104,6 +104,9 @@
+
+ ..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
diff --git a/Src/LexText/ParserCore/ParserCore.csproj b/Src/LexText/ParserCore/ParserCore.csproj
index 1bc480b310..5149380913 100644
--- a/Src/LexText/ParserCore/ParserCore.csproj
+++ b/Src/LexText/ParserCore/ParserCore.csproj
@@ -207,6 +207,10 @@
..\..\..\Output\Debug\SIL.Machine.dll
+
+ False
+ ..\..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+
False
..\..\..\Output\Debug\SIL.WritingSystems.dll
diff --git a/Src/Paratext8Plugin/ParaText8PluginTests/Paratext8PluginTests.csproj b/Src/Paratext8Plugin/ParaText8PluginTests/Paratext8PluginTests.csproj
index ff181c0a99..5987079a1c 100644
--- a/Src/Paratext8Plugin/ParaText8PluginTests/Paratext8PluginTests.csproj
+++ b/Src/Paratext8Plugin/ParaText8PluginTests/Paratext8PluginTests.csproj
@@ -92,6 +92,9 @@
+
+ ..\..\..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll
+