diff --git a/deepgram/clients/manage/v1/response.py b/deepgram/clients/manage/v1/response.py
index 884bcfac..795b8699 100644
--- a/deepgram/clients/manage/v1/response.py
+++ b/deepgram/clients/manage/v1/response.py
@@ -130,6 +130,9 @@ class Key(BaseResponse):
     comment: Optional[str] = ""
     created: str = ""
     scopes: List[str] = field(default_factory=list)
+    expiration_date: str = field(
+        default="", metadata=dataclass_config(exclude=lambda f: f is None)
+    )
 
     def __getitem__(self, key):
         _dict = self.to_dict()