diff --git a/impresso/api_client/models/topic_related_topics_item.py b/impresso/api_client/models/topic_related_topics_item.py
index 70f2ca5..cda157a 100644
--- a/impresso/api_client/models/topic_related_topics_item.py
+++ b/impresso/api_client/models/topic_related_topics_item.py
@@ -1,7 +1,9 @@
-from typing import Any, Dict, Type, TypeVar
+from typing import Any, Dict, Type, TypeVar, Union
 
 from attrs import define as _attrs_define
 
+from ..types import UNSET, Unset
+
 T = TypeVar("T", bound="TopicRelatedTopicsItem")
 
 
@@ -11,16 +13,20 @@ class TopicRelatedTopicsItem:
     Attributes:
         uid (str): The unique identifier of the related topic
         w (float): TODO
+        avg (Union[Unset, float]): TODO
     """
 
     uid: str
     w: float
+    avg: Union[Unset, float] = UNSET
 
     def to_dict(self) -> Dict[str, Any]:
         uid = self.uid
 
         w = self.w
 
+        avg = self.avg
+
         field_dict: Dict[str, Any] = {}
         field_dict.update(
             {
@@ -28,6 +34,8 @@ def to_dict(self) -> Dict[str, Any]:
                 "w": w,
             }
         )
+        if avg is not UNSET:
+            field_dict["avg"] = avg
 
         return field_dict
 
@@ -38,9 +46,12 @@ def from_dict(cls: Type[T], src_dict: Dict[str, Any]) -> T:
 
         w = d.pop("w")
 
+        avg = d.pop("avg", UNSET)
+
         topic_related_topics_item = cls(
             uid=uid,
             w=w,
+            avg=avg,
         )
 
         return topic_related_topics_item
diff --git a/impresso/api_models.py b/impresso/api_models.py
index 589a0af..ebaa1e0 100644
--- a/impresso/api_models.py
+++ b/impresso/api_models.py
@@ -626,6 +626,7 @@ class RelatedTopic(BaseModel):
     )
     uid: Annotated[str, Field(description='The unique identifier of the related topic')]
     w: Annotated[float, Field(description='TODO')]
+    avg: Annotated[Optional[float], Field(None, description='TODO')]
 
 
 class TopicWord(BaseModel):