diff --git a/app.py b/app.py
index 439f39c..ea48535 100644
--- a/app.py
+++ b/app.py
@@ -17,7 +17,7 @@ app = Flask(__name__)
 app.config['SECRET_KEY'] = config.FLASK_CONFIG['secret_key']
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = config.FLASK_CONFIG.get('static_cache_timeout', 60)
 # Bez Eventlet (deprecated) – prosty tryb wątkowy.
-socketio = SocketIO(app, cors_allowed_origins="*", logger=False)
+socketio = SocketIO(app, cors_allowed_origins="*", async_mode="threading", logger=False)
 
 def get_file_hash(filename):
     full_path = os.path.join(app.static_folder, filename)
@@ -317,7 +317,7 @@ def background_voltage_update():
         except Exception as e:
             print(f"Worker Error: {e}")
 
-        time.sleep(config.CHART_CONFIG['update_interval'] / 1000.0)
+        #time.sleep(config.CHART_CONFIG['update_interval'] / 1000.0)
 
 if __name__ == '__main__':
     print("\n" + "="*50)
@@ -325,4 +325,9 @@ if __name__ == '__main__':
     print("="*50 + "\n")
     
     socketio.start_background_task(background_voltage_update)
-    socketio.run(app, host='0.0.0.0', port=config.FLASK_CONFIG['port'])
\ No newline at end of file
+    socketio.run(
+        app,
+        host="0.0.0.0",
+        port=config.FLASK_CONFIG["port"],
+        allow_unsafe_werkzeug=True
+    )
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index a9985b5..6fee4fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,4 @@ influxdb
 #influxdb-client
 simple-websocket
 python-socketio
-flask-socketio
-gevent
-gevent-websocket
\ No newline at end of file
+flask-socketio
\ No newline at end of file