diff --git a/bot/app/web/web_server.py b/bot/app/web/web_server.py
index 51b742f..afb2a43 100644
--- a/bot/app/web/web_server.py
+++ b/bot/app/web/web_server.py
@@ -31,8 +31,9 @@ async def build_and_start_web_app(
         "tribute_service",
         "panel_webhook_service",
     ):
-        if key in dp:  # type: ignore
-            app[key] = dp[key]  # type: ignore
+        # Access dispatcher workflow_data directly to avoid sequence protocol issues
+        if hasattr(dp, "workflow_data") and key in dp.workflow_data:  # type: ignore
+            app[key] = dp.workflow_data[key]  # type: ignore
 
     setup_application(app, dp, bot=bot)
 
diff --git a/bot/main_bot.py b/bot/main_bot.py
index 10230a3..8b7955a 100644
--- a/bot/main_bot.py
+++ b/bot/main_bot.py
@@ -260,8 +260,13 @@ async def run_bot(settings_param: Settings):
     dp["panel_service"] = services["panel_service"]
     dp["async_session_factory"] = local_async_session_factory
 
-    dp.startup.register(on_startup_configured)
-    dp.shutdown.register(on_shutdown_configured)
+    # Wrap startup/shutdown handlers to satisfy aiogram event signature (no args passed)
+    async def _on_startup_wrapper():
+        await on_startup_configured(dp)
+    async def _on_shutdown_wrapper():
+        await on_shutdown_configured(dp)
+    dp.startup.register(_on_startup_wrapper)
+    dp.shutdown.register(_on_shutdown_wrapper)
 
     await register_all_routers(dp, settings_param)