diff --git a/images/ubuntu/toolsets/toolset-2004.json b/images/ubuntu/toolsets/toolset-2004.json
index 13d83e5513c2..f19b8ca5c330 100644
--- a/images/ubuntu/toolsets/toolset-2004.json
+++ b/images/ubuntu/toolsets/toolset-2004.json
@@ -270,12 +270,14 @@
         "aptPackages": [
             "dotnet-sdk-6.0",
             "dotnet-sdk-7.0",
-            "dotnet-sdk-8.0"
+            "dotnet-sdk-8.0",
+            "dotnet-sdk-9.0"
         ],
         "versions": [
             "6.0",
             "7.0",
-            "8.0"
+            "8.0",
+            "9.0"
         ],
         "tools": [
             { "name": "nbgv", "test": "nbgv --version", "getversion" : "nbgv --version" }
diff --git a/images/ubuntu/toolsets/toolset-2204.json b/images/ubuntu/toolsets/toolset-2204.json
index 551526f793ee..6a5095f6ba08 100644
--- a/images/ubuntu/toolsets/toolset-2204.json
+++ b/images/ubuntu/toolsets/toolset-2204.json
@@ -269,12 +269,14 @@
         "aptPackages": [
             "dotnet-sdk-6.0",
             "dotnet-sdk-7.0",
-            "dotnet-sdk-8.0"
+            "dotnet-sdk-8.0",
+            "dotnet-sdk-9.0"
         ],
         "versions": [
             "6.0",
             "7.0",
-            "8.0"
+            "8.0",
+            "9.0"
         ],
         "tools": [
             { "name": "nbgv", "test": "nbgv --version", "getversion" : "nbgv --version" }
diff --git a/images/ubuntu/toolsets/toolset-2404.json b/images/ubuntu/toolsets/toolset-2404.json
index f9d8d04ff164..eea2e65cc56e 100644
--- a/images/ubuntu/toolsets/toolset-2404.json
+++ b/images/ubuntu/toolsets/toolset-2404.json
@@ -223,10 +223,12 @@
     ],
     "dotnet": {
         "aptPackages": [
-            "dotnet-sdk-8.0"
+            "dotnet-sdk-8.0",
+            "dotnet-sdk-9.0"
         ],
         "versions": [
-            "8.0"
+            "8.0",
+            "9.0"
         ],
         "tools": [
             { "name": "nbgv", "test": "nbgv --version", "getversion" : "nbgv --version" }