diff --git a/default.nix b/default.nix
index e7e6fcf..f6d85d6 100644
--- a/default.nix
+++ b/default.nix
@@ -18,6 +18,7 @@ pythonPackages.buildPythonPackage rec {
     strawberry-graphql
     typing-extensions
     uvicorn
+    websockets
   ];
   pythonImportsCheck = [ "selfprivacy_api" ];
   doCheck = false;
diff --git a/tests/test_websocket_uvicorn_standalone.py b/tests/test_websocket_uvicorn_standalone.py
new file mode 100644
index 0000000..43a53ef
--- /dev/null
+++ b/tests/test_websocket_uvicorn_standalone.py
@@ -0,0 +1,39 @@
+import pytest
+from fastapi import FastAPI, WebSocket
+import uvicorn
+
+# import subprocess
+from multiprocessing import Process
+import asyncio
+from time import sleep
+from websockets import client
+
+app = FastAPI()
+
+
+@app.websocket("/")
+async def websocket_endpoint(websocket: WebSocket):
+    await websocket.accept()
+    while True:
+        data = await websocket.receive_text()
+        await websocket.send_text(f"You sent: {data}")
+
+
+def run_uvicorn():
+    uvicorn.run(app, port=5000)
+    return True
+
+
+@pytest.mark.asyncio
+async def test_uvcorn_ws_works_in_prod():
+    proc = Process(target=run_uvicorn)
+    proc.start()
+    sleep(2)
+
+    ws = await client.connect("ws://127.0.0.1:5000")
+
+    await ws.send("hohoho")
+    message = await ws.read_message()
+    assert message == "You sent: hohoho"
+    await ws.close()
+    proc.kill()