diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 61ca30f..3d23092 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          9.0.x
           8.0.x
     - name: Restore dependencies
       run: dotnet restore
@@ -31,6 +32,12 @@ jobs:
       run: dotnet build --no-restore --configuration Release /p:Version=${{ github.event.inputs.version }}-prerelease.${{ github.event.inputs.increment }}
     - name: Test
       run: dotnet test --no-build --verbosity normal --configuration Release
+    - name: Upload a Build Artifact NET9
+      uses: actions/upload-artifact@v4.3.1
+      with:
+        name: RGB.NET-NET9
+        path: bin/net9.0/RGB.NET.*.dll
+        if-no-files-found: error
     - name: Upload a Build Artifact NET8
       uses: actions/upload-artifact@v4.3.1
       with:
diff --git a/.github/workflows/pr_verify.yml b/.github/workflows/pr_verify.yml
index 59a1544..e4cc59e 100644
--- a/.github/workflows/pr_verify.yml
+++ b/.github/workflows/pr_verify.yml
@@ -15,6 +15,7 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          9.0.x
           8.0.x
     - name: Restore dependencies
       run: dotnet restore
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f8bae37..943dea6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,6 +20,7 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          9.0.x
           8.0.x
     - name: Restore dependencies
       run: dotnet restore
@@ -27,6 +28,12 @@ jobs:
       run: dotnet build --no-restore --configuration Release /p:Version=${{ github.event.inputs.version }}
     - name: Test
       run: dotnet test --no-build --verbosity normal --configuration Release
+    - name: Upload a Build Artifact NET9
+      uses: actions/upload-artifact@v4.3.1
+      with:
+        name: RGB.NET-NET9
+        path: bin/net9.0/RGB.NET.*.dll
+        if-no-files-found: error
     - name: Upload a Build Artifact NET8
       uses: actions/upload-artifact@v4.3.1
       with:
@@ -44,6 +51,6 @@ jobs:
       with:
         tag_name: v${{ github.event.inputs.version }}
         generate_release_notes: true
-        files: bin/net8.0/RGB.NET.*.dll
+        files: bin/net9.0/RGB.NET.*.dll
     - name: Nuget Push
       run: dotnet nuget push **\*.nupkg --skip-duplicate --api-key ${{ secrets.NUGET_TOKEN }} --source https://api.nuget.org/v3/index.json