diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 938b19f86..cd1285d48 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
 # Refer to https://hub.docker.com/_/microsoft-dotnet-sdk for available versions
-FROM mcr.microsoft.com/dotnet/sdk:9.0.300-noble@sha256:9f7bd4d010026e15a57d9cf876f2f7d08c3eeed6a0ea987b8c5ba8c75e68e948
+FROM mcr.microsoft.com/dotnet/sdk:9.0.301-noble@sha256:4f50505b5344e9d8a76805d71bb4ba76da6b01656e17a66a8ce1e4c4dfaaec12
 
 # Installing mono makes `dotnet test` work without errors even for net472.
 # But installing it takes a long time, so it's excluded by default.
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
new file mode 100644
index 000000000..053f56e95
--- /dev/null
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -0,0 +1,41 @@
+name: 💪🏼 Copilot Setup Steps
+
+# Automatically run the setup steps when they are changed to allow for easy validation, and
+# allow manual testing through the repository's "Actions" tab
+on:
+  workflow_dispatch:
+  push:
+    branches:
+    - main
+    paths:
+    - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+    - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+    # Set the permissions to the lowest permissions possible needed for your steps.
+    # Copilot will be given its own token for its operations.
+    permissions:
+      # If you want to clone the repository as part of your setup steps, for example to install dependencies, you'll need the `contents: read` permission. If you don't clone the repository in your setup steps, Copilot will do this for you automatically after the steps complete.
+      contents: read
+
+    # You can define any steps you want, and they will run before the agent starts.
+    # If you do not check out your code, Copilot will do this for you.
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      with:
+        fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
+    - name: ⚙ Install prerequisites
+      run: |
+        ./init.ps1 -UpgradePrerequisites -NoNuGetCredProvider
+        dotnet --info
+
+        # Print mono version if it is present.
+        if (Get-Command mono -ErrorAction SilentlyContinue) {
+          mono --version
+        }
+      shell: pwsh
diff --git a/Directory.Packages.props b/Directory.Packages.props
index b5924c2de..f2975bc47 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,7 +5,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
     <MessagePackVersion>2.5.198</MessagePackVersion>
-    <MicroBuildVersion>2.0.187</MicroBuildVersion>
+    <MicroBuildVersion>2.0.198</MicroBuildVersion>
     <VisualStudioThreadingVersion>17.13.61</VisualStudioThreadingVersion>
     <CodeAnalysisAnalyzerVersion>4.14.0</CodeAnalysisAnalyzerVersion>
   </PropertyGroup>
@@ -39,8 +39,8 @@
   <ItemGroup Label="Library.Template">
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Microsoft.VisualStudio.Internal.MicroBuild.NonShipping" Version="$(MicroBuildVersion)" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.0" />
-    <PackageVersion Include="xunit.v3" Version="2.0.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.1" />
+    <PackageVersion Include="xunit.v3" Version="2.0.3" />
   </ItemGroup>
   <ItemGroup>
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="$(CodeAnalysisAnalyzerVersion)" />
diff --git a/global.json b/global.json
index 3d0b9e2db..a4a4b8c46 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "9.0.300",
+    "version": "9.0.301",
     "rollForward": "patch",
     "allowPrerelease": false
   },