diff --git a/src/py/flwr/common/typing.py b/src/py/flwr/common/typing.py
index f51830955679..04d2cf5bbf7f 100644
--- a/src/py/flwr/common/typing.py
+++ b/src/py/flwr/common/typing.py
@@ -194,3 +194,4 @@ class Run:
     run_id: int
     fab_id: str
     fab_version: str
+    override_config: Dict[str, str]