diff --git a/Directory.Build.props b/Directory.Build.props
index 1f3e8c1d192cf..d1e6c42dc27b9 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -38,8 +38,8 @@
   <!-- The TFMs to build and test against. -->
   <PropertyGroup>
     <NetCoreAppCurrentVersion>$(MajorVersion).$(MinorVersion)</NetCoreAppCurrentVersion>
-    <AspNetCoreAppCurrentVersion>5.0</AspNetCoreAppCurrentVersion>
-    <NetCoreAppToolCurrentVersion>5.0</NetCoreAppToolCurrentVersion>
+    <AspNetCoreAppCurrentVersion>6.0</AspNetCoreAppCurrentVersion>
+    <NetCoreAppToolCurrentVersion>6.0</NetCoreAppToolCurrentVersion>
     <NetCoreAppCurrentIdentifier>.NETCoreApp</NetCoreAppCurrentIdentifier>
     <NetCoreAppCurrentTargetFrameworkMoniker>$(NetCoreAppCurrentIdentifier),Version=v$(NetCoreAppCurrentVersion)</NetCoreAppCurrentTargetFrameworkMoniker>
     <NetCoreAppCurrent>net$(NetCoreAppCurrentVersion)</NetCoreAppCurrent>
diff --git a/eng/common/dotnet-install.sh b/eng/common/dotnet-install.sh
index 25b69f8787f27..fce5a9f045e5a 100755
--- a/eng/common/dotnet-install.sh
+++ b/eng/common/dotnet-install.sh
@@ -57,7 +57,7 @@ if [[ "$cpuname" == "unknown" ]]; then
 fi
 
 case $cpuname in
-  aarch64)
+  aarch64|arm64)
     buildarch=arm64
     ;;
   amd64|x86_64)
diff --git a/eng/targetframeworksuffix.props b/eng/targetframeworksuffix.props
index e4473df46fa74..bb1e24f5046c3 100644
--- a/eng/targetframeworksuffix.props
+++ b/eng/targetframeworksuffix.props
@@ -7,7 +7,7 @@
 
   <PropertyGroup Condition="'$(TargetFrameworkSuffix)' != '' and '$(TargetFrameworkSuffix)' != 'windows'">
     <TargetPlatformIdentifier>$(TargetFrameworkSuffix)</TargetPlatformIdentifier>
-    <TargetPlatformVersion>0.0</TargetPlatformVersion>
+    <TargetPlatformVersion>1.0</TargetPlatformVersion>
     <TargetPlatformMoniker>$(TargetFrameworkSuffix),Version=$(TargetPlatformVersion)</TargetPlatformMoniker>
   </PropertyGroup>
   
diff --git a/global.json b/global.json
index f271ad70ec6bd..44e50ecf85116 100644
--- a/global.json
+++ b/global.json
@@ -1,11 +1,11 @@
 {
   "sdk": {
-    "version": "5.0.100",
+    "version": "6.0.100-preview.1.21103.13",
     "allowPrerelease": true,
     "rollForward": "major"
   },
   "tools": {
-    "dotnet": "5.0.100"
+    "dotnet": "6.0.100-preview.1.21103.13"
   },
   "native-tools": {
     "cmake": "3.16.4",