diff --git a/api-server/Dockerfile.prod b/api-server/Dockerfile.prod
index e751529..1ae2176 100644
--- a/api-server/Dockerfile.prod
+++ b/api-server/Dockerfile.prod
@@ -5,8 +5,8 @@ WORKDIR /app/server
 # install packages
 COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt
-RUN pip install gunicorn==23.0.0 gevent==24.2.1 gevent-websocket==0.10.1
+RUN pip install gunicorn==23.0.0
 
 COPY . .
 
-CMD ["gunicorn", "-k", "geventwebsocket.gunicorn.workers.GeventWebSocketWorker", "-w", "1", "--threads", "100", "-b", "0.0.0.0:8080", "app:app"]
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+CMD ["gunicorn", "--worker-class", "eventlet", "-w", "1", "-b", "0.0.0.0:8080", "app:app"]
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diff --git a/api-server/app.py b/api-server/app.py
index c49896e..f4828a0 100644
--- a/api-server/app.py
+++ b/api-server/app.py
@@ -102,7 +102,5 @@ def handle_disconnect():
 if __name__ == '__main__':
     if os.getenv('TESTING', True):
         socketio.run(app, debug=True, allow_unsafe_werkzeug=True)
-    elif os.getenv('PRODUCTION', True):
-        socketio.run(app, async_mode='gevent')
     else:
         socketio.run(app, debug=True)
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