diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index fb030310eb..81979e4b30 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -115,8 +115,8 @@
     <Reference Include="System.Runtime.Caching" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Transactions" />
-    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.ValueTuple.4.4.0\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
     </Reference>
     <Reference Include="System.Web" />
     <Reference Include="System.Web.ApplicationServices" />
diff --git a/src/Umbraco.Core/packages.config b/src/Umbraco.Core/packages.config
index 35cabcdb71..c577d2d535 100644
--- a/src/Umbraco.Core/packages.config
+++ b/src/Umbraco.Core/packages.config
@@ -18,5 +18,5 @@
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="semver" version="1.1.2" targetFramework="net452" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
-  <package id="System.ValueTuple" version="4.4.0" targetFramework="net452" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj b/src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
index 94afb195a3..0136bb161e 100644
--- a/src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
+++ b/src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
@@ -80,9 +80,8 @@
       <HintPath>..\packages\System.AppContext.4.3.0\lib\net46\System.AppContext.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Collections.Immutable, Version=1.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Collections.Immutable.1.3.1\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="System.Collections.Immutable, Version=1.2.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Collections.Immutable.1.5.0\lib\netstandard2.0\System.Collections.Immutable.dll</HintPath>
     </Reference>
     <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.Console, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
@@ -116,8 +115,8 @@
     <Reference Include="System.Reflection, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Reflection.4.3.0\lib\net462\System.Reflection.dll</HintPath>
     </Reference>
-    <Reference Include="System.Reflection.Metadata, Version=1.4.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Reflection.Metadata.1.4.2\lib\portable-net45+win8\System.Reflection.Metadata.dll</HintPath>
+    <Reference Include="System.Reflection.Metadata, Version=1.4.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Reflection.Metadata.1.6.0\lib\netstandard2.0\System.Reflection.Metadata.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.4.3.0\lib\net462\System.Runtime.dll</HintPath>
@@ -149,8 +148,8 @@
     <Reference Include="System.Threading.Thread, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Threading.Thread.4.3.0\lib\net46\System.Threading.Thread.dll</HintPath>
     </Reference>
-    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.ValueTuple.4.4.0\lib\net461\System.ValueTuple.dll</HintPath>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
diff --git a/src/Umbraco.Tests.Benchmarks/app.config b/src/Umbraco.Tests.Benchmarks/app.config
index a46216da18..a976f2cc7f 100644
--- a/src/Umbraco.Tests.Benchmarks/app.config
+++ b/src/Umbraco.Tests.Benchmarks/app.config
@@ -4,11 +4,11 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.IO.Compression" publicKeyToken="b77a5c561934e089" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.1.2.0" newVersion="4.1.2.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.2.1.0" newVersion="1.2.1.0" />
+        <bindingRedirect oldVersion="0.0.0.0-1.2.3.0" newVersion="1.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="log4net" publicKeyToken="669e0ddf0bb1aa2a" culture="neutral" />
@@ -64,7 +64,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Security.Cryptography.Algorithms" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
@@ -86,6 +86,10 @@
         <assemblyIdentity name="System.Reflection" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.1.1.0" newVersion="4.1.1.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reflection.Metadata" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.4.3.0" newVersion="1.4.3.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 <startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
diff --git a/src/Umbraco.Tests.Benchmarks/packages.config b/src/Umbraco.Tests.Benchmarks/packages.config
index d72d00ae02..0d2be8711a 100644
--- a/src/Umbraco.Tests.Benchmarks/packages.config
+++ b/src/Umbraco.Tests.Benchmarks/packages.config
@@ -18,7 +18,7 @@
   <package id="System.AppContext" version="4.3.0" targetFramework="net46" />
   <package id="System.Collections" version="4.3.0" targetFramework="net46" />
   <package id="System.Collections.Concurrent" version="4.3.0" targetFramework="net46" />
-  <package id="System.Collections.Immutable" version="1.3.1" targetFramework="net46" />
+  <package id="System.Collections.Immutable" version="1.5.0" targetFramework="net462" />
   <package id="System.Console" version="4.3.0" targetFramework="net46" />
   <package id="System.Diagnostics.Debug" version="4.3.0" targetFramework="net46" />
   <package id="System.Diagnostics.FileVersionInfo" version="4.3.0" targetFramework="net46" />
@@ -32,7 +32,7 @@
   <package id="System.Linq" version="4.3.0" targetFramework="net46" />
   <package id="System.Linq.Expressions" version="4.3.0" targetFramework="net46" />
   <package id="System.Reflection" version="4.3.0" targetFramework="net462" />
-  <package id="System.Reflection.Metadata" version="1.4.2" targetFramework="net46" />
+  <package id="System.Reflection.Metadata" version="1.6.0" targetFramework="net462" />
   <package id="System.Reflection.Primitives" version="4.0.1" targetFramework="net45" />
   <package id="System.Resources.ResourceManager" version="4.3.0" targetFramework="net46" />
   <package id="System.Runtime" version="4.3.0" targetFramework="net462" />
@@ -51,7 +51,7 @@
   <package id="System.Threading.Tasks.Extensions" version="4.3.0" targetFramework="net46" />
   <package id="System.Threading.Tasks.Parallel" version="4.3.0" targetFramework="net46" />
   <package id="System.Threading.Thread" version="4.3.0" targetFramework="net46" />
-  <package id="System.ValueTuple" version="4.4.0" targetFramework="net462" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net462" />
   <package id="System.Xml.ReaderWriter" version="4.3.0" targetFramework="net46" />
   <package id="System.Xml.XDocument" version="4.3.0" targetFramework="net46" />
   <package id="System.Xml.XmlDocument" version="4.3.0" targetFramework="net46" />
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 893f118007..ed9bc33da5 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -204,8 +204,8 @@
     <Reference Include="System">
       <Name>System</Name>
     </Reference>
-    <Reference Include="System.Collections.Immutable, Version=1.1.36.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Collections.Immutable.1.1.36\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
+    <Reference Include="System.Collections.Immutable, Version=1.2.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Collections.Immutable.1.5.0\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
     </Reference>
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.configuration" />
@@ -236,8 +236,8 @@
       <SpecificVersion>False</SpecificVersion>
       <Private>False</Private>
     </Reference>
-    <Reference Include="System.Reflection.Metadata, Version=1.0.21.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Reflection.Metadata.1.0.21\lib\portable-net45+win8\System.Reflection.Metadata.dll</HintPath>
+    <Reference Include="System.Reflection.Metadata, Version=1.4.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Reflection.Metadata.1.6.0\lib\portable-net45+win8\System.Reflection.Metadata.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.ServiceModel" />
diff --git a/src/Umbraco.Web.UI/packages.config b/src/Umbraco.Web.UI/packages.config
index a2b0a1b645..1b13563f8d 100644
--- a/src/Umbraco.Web.UI/packages.config
+++ b/src/Umbraco.Web.UI/packages.config
@@ -36,7 +36,7 @@
   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.36" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.21" targetFramework="net45" />
+  <package id="System.Collections.Immutable" version="1.5.0" targetFramework="net452" />
+  <package id="System.Reflection.Metadata" version="1.6.0" targetFramework="net452" />
   <package id="Umbraco.ModelsBuilder" version="3.0.10" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI/web.Template.Debug.config b/src/Umbraco.Web.UI/web.Template.Debug.config
index 741d4d192d..c1a1ad36e0 100644
--- a/src/Umbraco.Web.UI/web.Template.Debug.config
+++ b/src/Umbraco.Web.UI/web.Template.Debug.config
@@ -356,7 +356,7 @@
 												 xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='System.Web.Mvc']])" />
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="1.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
+        <bindingRedirect oldVersion="1.0.0.0-5.2.6.0" newVersion="5.2.6.0" />
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
@@ -370,7 +370,7 @@
                         xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='System.Web.Http']])"/>
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.2.6.0" newVersion="5.2.6.0"/>
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
@@ -406,28 +406,28 @@
 												 xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='Microsoft.Owin']])" />
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-3.1.0.0" newVersion="3.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
 												 xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='Microsoft.Owin.Security']])" />
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="Microsoft.Owin.Security" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-3.1.0.0" newVersion="3.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
 												 xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='Microsoft.Owin.Security.Cookies']])" />
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="Microsoft.Owin.Security.Cookies" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-3.1.0.0" newVersion="3.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
 												 xdt:Locator="Condition(_defaultNamespace:assemblyIdentity[@name='Microsoft.Owin.Security.OAuth']])" />
       <dependentAssembly xdt:Transform="Insert">
         <assemblyIdentity name="Microsoft.Owin.Security.OAuth" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-3.1.0.0" newVersion="3.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
       </dependentAssembly>
 
       <dependentAssembly xdt:Transform="Remove"
diff --git a/src/Umbraco.Web.UI/web.Template.config b/src/Umbraco.Web.UI/web.Template.config
index 56aa2ef15a..01408d18f9 100644
--- a/src/Umbraco.Web.UI/web.Template.config
+++ b/src/Umbraco.Web.UI/web.Template.config
@@ -433,6 +433,22 @@
                 <assemblyIdentity name="System.Data.SqlServerCe" publicKeyToken="89845DCD8080CC91" culture="neutral"/>
                 <bindingRedirect oldVersion="0.0.0.0-4.0.0.1" newVersion="4.0.0.1"/>
             </dependentAssembly>
+            <dependentAssembly>
+                <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+                <bindingRedirect oldVersion="0.0.0.0-1.2.3.0" newVersion="1.2.3.0" />
+            </dependentAssembly>
+            <dependentAssembly>
+                <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+                <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+            </dependentAssembly>
+            <dependentAssembly>
+                <assemblyIdentity name="System.Reflection.Metadata" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+                <bindingRedirect oldVersion="0.0.0.0-1.4.3.0" newVersion="1.4.3.0" />
+            </dependentAssembly>
+            <dependentAssembly>
+                <assemblyIdentity name="System.Threading.Tasks.Dataflow" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+                <bindingRedirect oldVersion="0.0.0.0-4.6.3.0" newVersion="4.6.3.0" />
+            </dependentAssembly>
         </assemblyBinding>
     </runtime>
 
@@ -452,7 +468,7 @@
         <caching configSource="config\imageprocessor\cache.config" />
         <processing configSource="config\imageprocessor\processing.config" />
     </imageProcessor>
-    
+
     <system.codedom>
         <compilers>
             <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6 /nowarn:1659;1699;1701" />
diff --git a/src/Umbraco.Web/Umbraco.Web.csproj b/src/Umbraco.Web/Umbraco.Web.csproj
index bb42ca5d56..46eda01334 100644
--- a/src/Umbraco.Web/Umbraco.Web.csproj
+++ b/src/Umbraco.Web/Umbraco.Web.csproj
@@ -195,11 +195,11 @@
     </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.ServiceModel" />
-    <Reference Include="System.Threading.Tasks.Dataflow, Version=4.6.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Dataflow.4.7.0\lib\portable-net45+win8+wpa81\System.Threading.Tasks.Dataflow.dll</HintPath>
+    <Reference Include="System.Threading.Tasks.Dataflow, Version=4.6.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Dataflow.4.9.0\lib\portable-net45+win8+wpa81\System.Threading.Tasks.Dataflow.dll</HintPath>
     </Reference>
-    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.ValueTuple.4.4.0\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
     </Reference>
     <Reference Include="System.Web" />
     <Reference Include="System.Web.Abstractions">
diff --git a/src/Umbraco.Web/packages.config b/src/Umbraco.Web/packages.config
index ad3f7ae073..7c804a17e8 100644
--- a/src/Umbraco.Web/packages.config
+++ b/src/Umbraco.Web/packages.config
@@ -27,6 +27,6 @@
   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="semver" version="1.1.2" targetFramework="net452" />
-  <package id="System.Threading.Tasks.Dataflow" version="4.7.0" targetFramework="net45" />
-  <package id="System.ValueTuple" version="4.4.0" targetFramework="net452" />
+  <package id="System.Threading.Tasks.Dataflow" version="4.9.0" targetFramework="net452" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net452" />
 </packages>
\ No newline at end of file