diff --git a/spark_executor/models.py b/spark_executor/models.py
index b32645b..798d72b 100644
--- a/spark_executor/models.py
+++ b/spark_executor/models.py
@@ -86,7 +86,7 @@ class Connection(BaseModel):
 
 class PendingSubmission(BaseModel):
     pending_id: str
-    app_name: str
+    app_name: str | None = None
 
     connection: str
     master: str