diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 9cc819cc8..ce304140a 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,9 +3,9 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.24311.10">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.24314.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>ef3e671d0a92f5e7ebef53cd15b44b33dd04ef25</Sha>
+      <Sha>92a725aa4d9d6c13dc5229597b51b0b165b8b535</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/cross/build-rootfs.sh b/eng/common/cross/build-rootfs.sh
index 7455dcb6a..8bb233ba2 100755
--- a/eng/common/cross/build-rootfs.sh
+++ b/eng/common/cross/build-rootfs.sh
@@ -131,6 +131,7 @@ __AlpineKeys='
 __Keyring=
 __SkipSigCheck=0
 __UseMirror=0
+__UseDeb822Format=0
 
 __UnprocessedBuildArgs=
 while :; do
@@ -181,7 +182,6 @@ while :; do
             __AlpinePackages="${__AlpinePackages// lldb-dev/}"
             __QEMUArch=riscv64
             __UbuntuArch=riscv64
-            __UbuntuRepo="http://deb.debian.org/debian"
             __UbuntuPackages="${__UbuntuPackages// libunwind8-dev/}"
             unset __LLDB_Package
 
@@ -288,6 +288,12 @@ while :; do
                 __CodeName=jammy
             fi
             ;;
+        noble) # Ubuntu 24.04
+            if [[ "$__CodeName" != "jessie" ]]; then
+                __CodeName=noble
+            fi
+            __UseDeb822Format=1
+            ;;
         jessie) # Debian 8
             __CodeName=jessie
 
@@ -732,8 +738,11 @@ elif [[ -n "$__CodeName" ]]; then
     fi
 
     # shellcheck disable=SC2086
+    echo running debootstrap "--variant=minbase" $__Keyring --arch "$__UbuntuArch" "$__CodeName" "$__RootfsDir" "$__UbuntuRepo"
     debootstrap "--variant=minbase" $__Keyring --arch "$__UbuntuArch" "$__CodeName" "$__RootfsDir" "$__UbuntuRepo"
-    cp "$__CrossDir/$__BuildArch/sources.list.$__CodeName" "$__RootfsDir/etc/apt/sources.list"
+    mkdir -p "$__RootfsDir/etc/apt/sources.list.d/"
+    grep -q "Types:" "$__CrossDir/$__BuildArch/sources.list.$__CodeName" && filename="$__CodeName.sources" || filename="$__CodeName.list"
+    cp "$__CrossDir/$__BuildArch/sources.list.$__CodeName" "$__RootfsDir/etc/apt/sources.list.d/$filename"
     chroot "$__RootfsDir" apt-get update
     chroot "$__RootfsDir" apt-get -f -y install
     # shellcheck disable=SC2086
diff --git a/eng/common/cross/riscv64/sources.list.noble b/eng/common/cross/riscv64/sources.list.noble
new file mode 100644
index 000000000..4a5b56256
--- /dev/null
+++ b/eng/common/cross/riscv64/sources.list.noble
@@ -0,0 +1,11 @@
+Types: deb
+URIs: http://ports.ubuntu.com/ubuntu-ports/
+Suites: noble noble-updates noble-backports
+Components: main universe restricted multiverse
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
+
+Types: deb
+URIs: http://ports.ubuntu.com/ubuntu-ports/
+Suites: noble-security
+Components: main universe restricted multiverse
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
diff --git a/eng/common/post-build/nuget-validation.ps1 b/eng/common/post-build/nuget-validation.ps1
index 9c81aa439..e5de00c89 100644
--- a/eng/common/post-build/nuget-validation.ps1
+++ b/eng/common/post-build/nuget-validation.ps1
@@ -5,6 +5,13 @@ param(
   [Parameter(Mandatory=$true)][string] $PackagesPath # Path to where the packages to be validated are
 )
 
+# `tools.ps1` checks $ci to perform some actions. Since the post-build
+# scripts don't necessarily execute in the same agent that run the
+# build.ps1/sh script this variable isn't automatically set.
+$ci = $true
+$disableConfigureToolsetImport = $true
+. $PSScriptRoot\..\tools.ps1
+
 try {
   & $PSScriptRoot\nuget-verification.ps1 ${PackagesPath}\*.nupkg
 } 
diff --git a/global.json b/global.json
index 42a8f12b9..87c5a4be4 100644
--- a/global.json
+++ b/global.json
@@ -1,14 +1,14 @@
 {
   "sdk": {
-    "version": "9.0.100-preview.4.24267.66",
+    "version": "9.0.100-preview.5.24307.3",
     "allowPrerelease": true,
     "rollForward": "major"
   },
   "tools": {
-    "dotnet": "9.0.100-preview.4.24267.66"
+    "dotnet": "9.0.100-preview.5.24307.3"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.24311.10",
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.24314.1",
     "Microsoft.Build.NoTargets": "3.7.0",
     "Microsoft.Build.Traversal": "3.4.0"
   }