diff --git a/FunctionsSample/FunctionsSample/.vscode/extensions.json b/FunctionsSample/FunctionsSample/.vscode/extensions.json
index 3a030cc..de991f4 100644
--- a/FunctionsSample/FunctionsSample/.vscode/extensions.json
+++ b/FunctionsSample/FunctionsSample/.vscode/extensions.json
@@ -1,6 +1,6 @@
 {
   "recommendations": [
     "ms-azuretools.vscode-azurefunctions",
-    "ms-vscode.csharp"
+    "ms-dotnettools.csharp"
   ]
 }