diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index 36125e9..7eca41b 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -18,7 +18,7 @@ sanic==21.3.4
 sanic-jinja2==0.10.0
 sanic-routing==0.6.2
 typing-extensions==3.10.0.0
-ujson==1.35
+ujson==4.0.2
 urllib3==1.26.5
 uvloop==0.11.3
 websockets==8.1
diff --git a/run.py b/run.py
index 1d59ba4..937ca69 100644
--- a/run.py
+++ b/run.py
@@ -706,10 +706,10 @@ async def ws_app(request, websocket, app_name):
 
     subscribe(websocket, f"app-jobs-{app.url}")
 
+    job = list(Job.select().where(Job.url_or_path == app.url).order_by(-Job.id).dicts())
     await websocket.send(json.dumps({
         "action": "init_jobs",
-        "data": Job.select().where(Job.url_or_path ==
-                                   app.url).order_by(-Job.id),
+        "data": job,
     }, default=datetime_to_epoch_json_converter))
 
     await websocket.wait_closed()