diff --git a/src/dotnet-mssql/devcontainer-template.json b/src/dotnet-mssql/devcontainer-template.json
index 49f901f..1a86caf 100644
--- a/src/dotnet-mssql/devcontainer-template.json
+++ b/src/dotnet-mssql/devcontainer-template.json
@@ -1,6 +1,6 @@
 {
     "id": "dotnet-mssql",
-    "version": "3.3.2",
+    "version": "3.4.0",
     "name": "C# (.NET) and MS SQL",
     "description": "Develop C# and .NET Core based applications. Includes all needed SDKs, extensions, dependencies and an MS SQL container for parallel database development. Adds an additional MS SQL container to the C# (.NET Core) container definition and deploys any .dacpac files from the mssql .devcontainer folder.",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/dotnet-mssql",
@@ -11,17 +11,20 @@
             "type": "string",
             "description": ".NET version:",
             "proposals": [
+				"9.0",
                 "8.0",
                 "6.0",
+				"9.0-bookworm",
                 "8.0-bookworm",
                 "6.0-bookworm",
                 "6.0-bullseye",
-                "8.0-noble",
+                "9.0-noble",
+				"8.0-noble",
                 "8.0-jammy",
                 "6.0-jammy",
                 "6.0-focal"
             ],
-            "default": "8.0-bookworm"
+            "default": "9.0-bookworm"
         }
     },
     "platforms": [
diff --git a/src/dotnet-postgres/devcontainer-template.json b/src/dotnet-postgres/devcontainer-template.json
index 4a63207..4fa2ba4 100644
--- a/src/dotnet-postgres/devcontainer-template.json
+++ b/src/dotnet-postgres/devcontainer-template.json
@@ -1,6 +1,6 @@
 {
     "id": "dotnet-postgres",
-    "version": "3.2.2",
+    "version": "3.3.0",
     "name": "C# (.NET) and PostgreSQL",
     "description": "Develop C# and .NET Core based applications. Includes all needed SDKs, extensions, dependencies and a PostgreSQL container for parallel database development. Adds an additional PostgreSQL container to the C# (.NET Core) container definition.",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/dotnet-postgres",
@@ -11,17 +11,20 @@
             "type": "string",
             "description": ".NET version:",
             "proposals": [
+				"9.0",
                 "8.0",
                 "6.0",
+				"9.0-bookworm",
                 "8.0-bookworm",
                 "6.0-bookworm",
                 "6.0-bullseye",
-                "8.0-noble",
+                "9.0-noble",
+				"8.0-noble",
                 "8.0-jammy",
                 "6.0-jammy",
                 "6.0-focal"
             ],
-            "default": "8.0-bookworm"
+            "default": "9.0-bookworm"
         }
     },
     "platforms": [
diff --git a/src/dotnet/devcontainer-template.json b/src/dotnet/devcontainer-template.json
index bde5915..f93abf3 100644
--- a/src/dotnet/devcontainer-template.json
+++ b/src/dotnet/devcontainer-template.json
@@ -1,6 +1,6 @@
 {
     "id": "dotnet",
-    "version": "3.2.2",
+    "version": "3.3.0",
     "name": "C# (.NET)",
     "description": "Develop C# and .NET based applications. Includes all needed SDKs, extensions, and dependencies.",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/dotnet",
@@ -11,17 +11,20 @@
             "type": "string",
             "description": ".NET version:",
             "proposals": [
+				"9.0",
                 "8.0",
                 "6.0",
+				"9.0-bookworm",
                 "8.0-bookworm",
                 "6.0-bookworm",
                 "6.0-bullseye",
+				"9.0-noble",
                 "8.0-noble",
 				"8.0-jammy",
                 "6.0-jammy",
                 "6.0-focal"
             ],
-            "default": "8.0-bookworm"
+            "default": "9.0-bookworm"
         }
     },
     "platforms": [