diff --git a/packages/api-server/api_server/app.py b/packages/api-server/api_server/app.py
index 750564f56..f55d155c3 100644
--- a/packages/api-server/api_server/app.py
+++ b/packages/api-server/api_server/app.py
@@ -21,6 +21,7 @@
     get_alert_events,
     get_beacon_events,
     get_fleet_events,
+    get_rio_events,
     get_rmf_events,
     get_task_events,
 )
@@ -77,6 +78,7 @@ async def lifespan(_app: FastIO):
     await stack.enter_async_context(get_fleet_events)
     await stack.enter_async_context(get_alert_events)
     await stack.enter_async_context(get_beacon_events)
+    await stack.enter_async_context(get_rio_events)
 
     await Tortoise.init(
         db_url=app_config.db_url,
diff --git a/packages/api-server/api_server/rmf_io/__init__.py b/packages/api-server/api_server/rmf_io/__init__.py
index 7c8ca563a..255db9e1c 100644
--- a/packages/api-server/api_server/rmf_io/__init__.py
+++ b/packages/api-server/api_server/rmf_io/__init__.py
@@ -2,11 +2,13 @@
     AlertEvents,
     BeaconEvents,
     FleetEvents,
+    RioEvents,
     RmfEvents,
     TaskEvents,
     get_alert_events,
     get_beacon_events,
     get_fleet_events,
+    get_rio_events,
     get_rmf_events,
     get_task_events,
 )
diff --git a/packages/api-server/api_server/rmf_io/events.py b/packages/api-server/api_server/rmf_io/events.py
index d862009bc..d89d92989 100644
--- a/packages/api-server/api_server/rmf_io/events.py
+++ b/packages/api-server/api_server/rmf_io/events.py
@@ -71,4 +71,6 @@ def __init__(self):
         self.rios = Subject[mdl.Rio]()
 
 
-rio_events = RioEvents()
+@singleton_dep
+def get_rio_events():
+    return RioEvents()
diff --git a/packages/api-server/api_server/routes/rios.py b/packages/api-server/api_server/routes/rios.py
index 267ae4fb9..cefeb62d3 100644
--- a/packages/api-server/api_server/routes/rios.py
+++ b/packages/api-server/api_server/routes/rios.py
@@ -1,11 +1,11 @@
 from typing import Annotated
 
-from fastapi import Query, Response
+from fastapi import Depends, Query, Response
 
 from api_server.fast_io import FastIORouter, SubscriptionRequest
 from api_server.models import Rio
 from api_server.models.tortoise_models import Rio as DbRio
-from api_server.rmf_io import rio_events
+from api_server.rmf_io import RioEvents, get_rio_events
 
 router = FastIORouter(tags=["RIOs"])
 
@@ -31,11 +31,16 @@ async def query_rios(
 
 @router.sub("", response_model=Rio)
 async def sub_rio(_req: SubscriptionRequest):
+    rio_events = get_rio_events()
     return rio_events.rios
 
 
 @router.put("", response_model=None)
-async def put_rio(rio: Rio, resp: Response):
+async def put_rio(
+    rio: Rio,
+    resp: Response,
+    rio_events: Annotated[RioEvents, Depends(get_rio_events)],
+):
     rio_dict = rio.model_dump()
     del rio_dict["id"]
     _, created = await DbRio.update_or_create(rio_dict, id=rio.id)
diff --git a/packages/api-server/api_server/routes/test_rios.py b/packages/api-server/api_server/routes/test_rios.py
index e21e4b4e3..2b3a34aea 100644
--- a/packages/api-server/api_server/routes/test_rios.py
+++ b/packages/api-server/api_server/routes/test_rios.py
@@ -2,7 +2,7 @@
 
 from api_server.models import Rio
 from api_server.models.tortoise_models import Rio as DbRio
-from api_server.rmf_io import rio_events
+from api_server.rmf_io import get_rio_events
 from api_server.test import AppFixture
 
 
@@ -35,7 +35,7 @@ def test_get_rios(self):
 
     def test_sub_rios(self):
         with self.subscribe_sio("/rios") as sub:
-            rio_events.rios.on_next(
+            get_rio_events().rios.on_next(
                 Rio(id="test_rio", type="test_type", data={"battery": 1})
             )
             rio = Rio(**next(sub))