diff --git a/site/app.py b/site/app.py
index d9d87df..fda705e 100644
--- a/site/app.py
+++ b/site/app.py
@@ -20,7 +20,7 @@ if _sys_path_root not in sys.path:
     sys.path.insert(0, _sys_path_root)
 
 # Версия приложения (меняется при изменениях)
-VERSION = "0.0.20"
+VERSION = "0.0.21"
 
 
 def create_app():
@@ -45,12 +45,13 @@ def create_app():
 
     register_routes(app)
 
-    # Запрещаем кэширование — F5 всегда грузит свежую страницу
+    # Запрещаем кэширование и keep-alive — F5 всегда чистое соединение
     @app.after_request
     def no_cache(response):
         response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
         response.headers["Pragma"] = "no-cache"
         response.headers["Expires"] = "0"
+        response.headers["Connection"] = "close"
         return response
 
     return app
diff --git a/site/routes/api_bp.py b/site/routes/api_bp.py
index 7194d7f..86c18d9 100644
--- a/site/routes/api_bp.py
+++ b/site/routes/api_bp.py
@@ -93,7 +93,7 @@ def process_stream(sid):
     return Response(
         stream_with_context(generate()),
         content_type="text/event-stream",
-        headers={"Cache-Control": "no-cache", "X-Accel-Buffering": "no"}
+        headers={"Cache-Control": "no-cache", "X-Accel-Buffering": "no", "Connection": "close"}
     )