diff --git a/ExistingServer.md b/ExistingServer.md
index 623092a..2162e62 100644
--- a/ExistingServer.md
+++ b/ExistingServer.md
@@ -77,6 +77,8 @@ Try out the experimental [Azure Functions MCP server deployment helper](https://
     httpx
     mcp[cli]>=1.5.0
     ```
+> [!IMPORTANT]
+> You must use `requirements.txt` today, as `pyproject.toml` is **not** yet supported. 
 
 That's it! You're ready to run your MCP server locally and deploy to Azure Functions as a custom handler. 
 
diff --git a/README.md b/README.md
index a6bf62e..d4903df 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ Ensure you have the following installed:
 1. Start the server by selecting the _Start_ button above the **local-mcp-server**
 1. Click on the Copilot icon at the top to open chat, and then change to _Agent_ mode in the question window.
 1. Ask "What is the weather in NYC?" Copilot should call one of the weather tools to help answer this question.
+1. Deactivate the virtual environment
 
 ### Deploy
 
@@ -179,7 +180,9 @@ The following are some common issues that come up.
     - Ensure the Function app name is correct when connecting to the server with the app endpoint.
     - Ensure the APIM resource name is correct when connecting to the server with the APIM endpoint.
 
-
+6. **Ensure you have the latest version of Azure Functions Core Tools installed.**
+   
+    - You need [version >=4.2.1](https://learn.microsoft.com/azure/azure-functions/functions-run-local?tabs=windows%2Cisolated-process%2Cnode-v4%2Cpython-v2%2Chttp-trigger%2Ccontainer-apps&pivots=programming-language-typescript). Check by running `func --version`.
 
 
 
diff --git a/host.json b/host.json
index c36d8f4..35984c4 100644
--- a/host.json
+++ b/host.json
@@ -11,7 +11,6 @@
             "workingDirectory": "",
             "arguments": ["weather.py"]
         },
-        "enableForwardingHttpRequest": true,
-        "enableHttpProxyingRequest": true
+        "enableProxyingHttpRequest": true
     }
 }
diff --git a/local.settings.json b/local.settings.json
index 52a5fdd..e493caa 100644
--- a/local.settings.json
+++ b/local.settings.json
@@ -1,6 +1,6 @@
 {
     "IsEncrypted": false,
     "Values": {
-        "FUNCTIONS_WORKER_RUNTIME": "custom"
+        "FUNCTIONS_WORKER_RUNTIME": "python"
     }
 }
diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index 1f2e56f..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,4 +0,0 @@
-[tool.ruff]
-line-length = 120
-target-version = "py39"
-lint.select = ["E", "F", "I", "UP"]