diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index fb3a9dd0f..7cd083c55 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -6,7 +6,7 @@
 	"postCreateCommand": "dotnet restore",
 
 	"extensions": [
-        "ms-vscode.csharp",
+        "ms-dotnettools.csharp",
         "ms-vscode.powershell-preview",
         "davidanson.vscode-markdownlint",
         "editorconfig.editorconfig"
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 108d6eac7..5c97e719a 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -2,7 +2,7 @@
     // See http://go.microsoft.com/fwlink/?LinkId=827846
     // for the documentation about the extensions.json format
     "recommendations": [
-        "ms-vscode.csharp",
+        "ms-dotnettools.csharp",
         "ms-vscode.powershell",
         "davidanson.vscode-markdownlint",
         "editorconfig.editorconfig"