diff --git a/setup.cfg b/setup.cfg
index 7f218b27b..66a81dd5a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -64,6 +64,7 @@ filterwarnings=
     error
     # Workaround for Python 3.9.7 (see https://bugs.python.org/issue45097)
     ignore:The loop argument is deprecated since Python 3\.8, and scheduled for removal in Python 3\.10\.:DeprecationWarning:asyncio
+    ignore:The built-in `WSGIMiddleware` will be deprecated in future versions, please use `a2wsgi.WSGIMiddleware` instead.:DeprecationWarning
 
 [coverage:run]
 omit = venv/*
diff --git a/uvicorn/middleware/wsgi.py b/uvicorn/middleware/wsgi.py
index 74bdfada4..7155652b3 100644
--- a/uvicorn/middleware/wsgi.py
+++ b/uvicorn/middleware/wsgi.py
@@ -2,6 +2,7 @@
 import concurrent.futures
 import io
 import sys
+import warnings
 from collections import deque
 from typing import Deque, Iterable, Optional, Tuple
 
@@ -18,6 +19,12 @@
 
 from uvicorn._types import Environ, ExcInfo, StartResponse, WSGIApp
 
+warnings.warn(
+    "The built-in `WSGIMiddleware` will be deprecated in"
+    " future versions, please use `a2wsgi.WSGIMiddleware` instead.",
+    DeprecationWarning,
+)
+
 
 def build_environ(scope: HTTPScope, message: ASGIReceiveEvent, body: bytes) -> Environ:
     """