diff --git a/DEVGUIDE.md b/DEVGUIDE.md
index 6a3248617f77..07ff91d5712d 100644
--- a/DEVGUIDE.md
+++ b/DEVGUIDE.md
@@ -39,6 +39,8 @@ Install the latest released [Visual Studio](https://www.visualstudio.com/downloa
 * .NET desktop development (also check F# desktop support, as this will install some legacy templates)
 * Visual Studio extension development
 
+You will also need the latest .NET 5 SDK installed from [here](https://dotnet.microsoft.com/download/dotnet/5.0).
+
 Building is simple:
 
     build.cmd
diff --git a/README.md b/README.md
index 02a742ccb5e9..1eb6e1c3b786 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 You're invited to contribute to future releases of the F# compiler, core library, and tools. Development of this repository can be done on any OS supported by [.NET Core](https://dotnet.microsoft.com/).
 
+You will also need the latest .NET 5 SDK installed from [here](https://dotnet.microsoft.com/download/dotnet/5.0).
+
 ## Contributing
 
 ### Quickstart on Windows
diff --git a/global.json b/global.json
index 5fed4a7295e6..7e131f708e66 100644
--- a/global.json
+++ b/global.json
@@ -1,12 +1,12 @@
 {
   "sdk": {
-    "version": "3.1.302",
+    "version": "5.0.100",
     "rollForward": "minor"
   },
   "tools": {
-    "dotnet": "3.1.302",
+    "dotnet": "5.0.100",
     "vs": {
-      "version": "16.4",
+      "version": "16.8",
       "components": [
         "Microsoft.VisualStudio.Component.FSharp"
       ]
diff --git a/src/fsharp/fsc/fsc.fsproj b/src/fsharp/fsc/fsc.fsproj
index 0e4f91b0ee53..c3a5e28dfa98 100644
--- a/src/fsharp/fsc/fsc.fsproj
+++ b/src/fsharp/fsc/fsc.fsproj
@@ -12,6 +12,7 @@
     <AllowCrossTargeting>true</AllowCrossTargeting>
     <OtherFlags>$(OtherFlags) --maxerrors:20 --extraoptimizationloops:1</OtherFlags>
     <NGenBinary>true</NGenBinary>
+    <UseAppHost>false</UseAppHost>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net472'">
diff --git a/src/fsharp/fsi/fsi.fsproj b/src/fsharp/fsi/fsi.fsproj
index bb2bcc73b25c..7751134335ea 100644
--- a/src/fsharp/fsi/fsi.fsproj
+++ b/src/fsharp/fsi/fsi.fsproj
@@ -13,6 +13,7 @@
     <OtherFlags>--warnon:1182 --maxerrors:20 --extraoptimizationloops:1</OtherFlags>
     <Win32Resource>fsi.res</Win32Resource>
     <NGenBinary>true</NGenBinary>
+    <UseAppHost>false</UseAppHost>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net472'">
diff --git a/tests/FSharp.Test.Utilities/CompilerAssert.fs b/tests/FSharp.Test.Utilities/CompilerAssert.fs
index c163edb76179..e166df052951 100644
--- a/tests/FSharp.Test.Utilities/CompilerAssert.fs
+++ b/tests/FSharp.Test.Utilities/CompilerAssert.fs
@@ -453,7 +453,7 @@ let main argv = 0"""
         "tfm": "netcoreapp3.1",
         "framework": {
             "name": "Microsoft.NETCore.App",
-            "version": "3.1.0"
+            "version": "5.0.0"
         }
     }
 }"""
diff --git a/vsintegration/tests/GetTypesVS.UnitTests/GetTypesVS.UnitTests.fsproj b/vsintegration/tests/GetTypesVS.UnitTests/GetTypesVS.UnitTests.fsproj
index fbd1ed485d5d..911e5e9a9447 100644
--- a/vsintegration/tests/GetTypesVS.UnitTests/GetTypesVS.UnitTests.fsproj
+++ b/vsintegration/tests/GetTypesVS.UnitTests/GetTypesVS.UnitTests.fsproj
@@ -22,6 +22,7 @@
 
   <ItemGroup>
     <PackageReference Include="NUnit" Version="$(NUnitVersion)" />
+    <PackageReference Include="VSSDK.VSLangProj.8" Version="$(VSSDKVSLangProj8Version)" PrivateAssets="all" ExcludeAssets="contentFiles;build;analyzers;native" />
   </ItemGroup>
 
   <ItemGroup>