diff --git a/src/pydase/data_service/state_manager.py b/src/pydase/data_service/state_manager.py
index 67fef43..7447dab 100644
--- a/src/pydase/data_service/state_manager.py
+++ b/src/pydase/data_service/state_manager.py
@@ -272,6 +272,9 @@ class StateManager:
         if attr_cache_type == "list":
             list_obj = get_object_attr_from_path(target_obj, attr_name)
             list_obj[index] = value
+        elif attr_cache_type == "dict":
+            dict_obj = get_object_attr_from_path(target_obj, attr_name)
+            dict_obj[index] = value
         else:
             setattr(target_obj, attr_name, value)