diff --git a/.github/copilot-setup-steps.yml b/.github/copilot-setup-steps.yml
index d3dd53b5d..61a67b79a 100644
--- a/.github/copilot-setup-steps.yml
+++ b/.github/copilot-setup-steps.yml
@@ -4,4 +4,4 @@ steps:
   - name: Setup .NET
     uses: actions/setup-dotnet@v4
     with:
-      dotnet-version: '10.0.x'
+      global-json-file: global.json
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3a889c1f6..3f7c86065 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Use .NET Core SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '8.0.x'
+          global-json-file: global.json
           source-url: https://nuget.pkg.github.com/${{ github.actor }}/index.json
         env:
           NUGET_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
@@ -41,7 +41,7 @@ jobs:
       - name: Setup .NET Core SDKs
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          global-json-file: global.json
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v1.1
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0b67cb1a6..996e4bb47 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Use .NET Core SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '8.0.x'
+          global-json-file: global.json
           source-url: https://api.nuget.org/v3/index.json
         env:
           NUGET_AUTH_TOKEN: ${{secrets.NUGET_AUTH_TOKEN}}
diff --git a/.github/workflows/test-documentation.yml b/.github/workflows/test-documentation.yml
index 4701b844a..fcf1635fc 100644
--- a/.github/workflows/test-documentation.yml
+++ b/.github/workflows/test-documentation.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup .NET Core SDKs
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          global-json-file: global.json
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v1.1
         with:
diff --git a/global.json b/global.json
new file mode 100644
index 000000000..391ba3c2a
--- /dev/null
+++ b/global.json
@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "8.0.100",
+    "rollForward": "latestFeature"
+  }
+}