diff --git a/azure/functions/_http_asgi.py b/azure/functions/_http_asgi.py
index 856c4d76..28a3deea 100644
--- a/azure/functions/_http_asgi.py
+++ b/azure/functions/_http_asgi.py
@@ -117,6 +117,7 @@ async def _receive(self):
             }
 
     async def _send(self, message):
+        logging.debug("Received %s from ASGI worker.", message)
         if message["type"] == "http.response.start":
             self._handle_http_response_start(message)
         elif message["type"] == "http.response.body":
diff --git a/setup.py b/setup.py
index c28b1aeb..69c8e2d0 100644
--- a/setup.py
+++ b/setup.py
@@ -7,6 +7,7 @@
 EXTRA_REQUIRES = {
     'dev': [
         'flake8~=4.0.1',
+        'flake8-logging-format',
         'mypy',
         'pytest',
         'pytest-cov',