diff --git a/openfga_sdk/client/client.py b/openfga_sdk/client/client.py
index b9b0387d..59d44c0b 100644
--- a/openfga_sdk/client/client.py
+++ b/openfga_sdk/client/client.py
@@ -788,6 +788,10 @@ async def expand(self, body: ClientExpandRequest, options: dict[str, str] = None
             authorization_model_id=self._get_authorization_model_id(options),
             consistency=self._get_consistency(options),
         )
+        if body.contextual_tuples:
+            req_body.contextual_tuples = ContextualTupleKeys(
+                tuple_keys=convert_tuple_keys(body.contextual_tuples)
+            )
         api_response = await self._api.expand(body=req_body, **kwargs)
         return api_response
 
diff --git a/openfga_sdk/client/models/expand_request.py b/openfga_sdk/client/models/expand_request.py
index b1553c73..61929269 100644
--- a/openfga_sdk/client/models/expand_request.py
+++ b/openfga_sdk/client/models/expand_request.py
@@ -10,15 +10,23 @@
    NOTE: This file was auto generated by OpenAPI Generator (https://openapi-generator.tech). DO NOT EDIT.
 """
 
+from openfga_sdk.client.models.tuple import ClientTuple
+
 
 class ClientExpandRequest:
     """
     ClientExpandRequest encapsulates the parameters required to expand request
     """
 
-    def __init__(self, relation: str, object: str):
+    def __init__(
+        self,
+        relation: str,
+        object: str,
+        contextual_tuples: list[ClientTuple] = None,
+    ):
         self._relation = relation
         self._object = object
+        self._contextual_tuples = contextual_tuples
 
     @property
     def relation(self):
@@ -27,9 +35,37 @@ def relation(self):
         """
         return self._relation
 
+    @relation.setter
+    def relation(self, value):
+        """
+        Set relation
+        """
+        self._relation = value
+
     @property
     def object(self):
         """
         Return object
         """
         return self._object
+
+    @object.setter
+    def object(self, value):
+        """
+        Set object
+        """
+        self._object = value
+
+    @property
+    def contextual_tuples(self):
+        """
+        Return contextual_tuples
+        """
+        return self._contextual_tuples
+
+    @contextual_tuples.setter
+    def contextual_tuples(self, value):
+        """
+        Set contextual tuples
+        """
+        self._contextual_tuples = value
diff --git a/openfga_sdk/sync/client/client.py b/openfga_sdk/sync/client/client.py
index f0313d68..02c94cff 100644
--- a/openfga_sdk/sync/client/client.py
+++ b/openfga_sdk/sync/client/client.py
@@ -776,6 +776,10 @@ def expand(self, body: ClientExpandRequest, options: dict[str, str] = None):
             authorization_model_id=self._get_authorization_model_id(options),
             consistency=self._get_consistency(options),
         )
+        if body.contextual_tuples:
+            req_body.contextual_tuples = ContextualTupleKeys(
+                tuple_keys=convert_tuple_keys(body.contextual_tuples)
+            )
         api_response = self._api.expand(body=req_body, **kwargs)
         return api_response