diff --git a/.gitignore b/.gitignore
index 495f33f..5b5da56 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,5 @@ poetry.toml
 .vscode/
 *.env
 .venv/
-venv/
\ No newline at end of file
+venv/
+.cache/
\ No newline at end of file
diff --git a/examples/chat_history/memory.py b/examples/chat_history/memory.py
index 51798f7..362b4c2 100644
--- a/examples/chat_history/memory.py
+++ b/examples/chat_history/memory.py
@@ -157,4 +157,4 @@ async def main() -> None:
 
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    asyncio.run(main())
\ No newline at end of file
diff --git a/examples/graph_example/conversations.py b/examples/graph_example/conversations.py
index 9f486e8..297676a 100644
--- a/examples/graph_example/conversations.py
+++ b/examples/graph_example/conversations.py
@@ -286,4 +286,4 @@
             "content": "It's great that you and Pixel can share outdoor experiences together. Thank you for sharing all these interesting facts about yourself, Alex. You seem to lead a rich and varied life!",
         },
     ],
-]
+]
\ No newline at end of file
diff --git a/examples/graph_example/group_graph_example.py b/examples/graph_example/group_graph_example.py
index 50c0e24..7ad964b 100644
--- a/examples/graph_example/group_graph_example.py
+++ b/examples/graph_example/group_graph_example.py
@@ -92,4 +92,4 @@ async def main() -> None:
 
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    asyncio.run(main())
\ No newline at end of file
diff --git a/examples/graph_example/user_graph_example.py b/examples/graph_example/user_graph_example.py
index fec6626..6f4404c 100644
--- a/examples/graph_example/user_graph_example.py
+++ b/examples/graph_example/user_graph_example.py
@@ -170,4 +170,4 @@ async def main() -> None:
 
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    asyncio.run(main())
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 8707588..53e560c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "zep-cloud"
-version = "2.1.0"
+version = "2.1.1"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/src/zep_cloud/core/client_wrapper.py b/src/zep_cloud/core/client_wrapper.py
index 5b7d2df..83c16f7 100644
--- a/src/zep_cloud/core/client_wrapper.py
+++ b/src/zep_cloud/core/client_wrapper.py
@@ -17,7 +17,7 @@ def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "zep-cloud",
-            "X-Fern-SDK-Version": "2.1.0",
+            "X-Fern-SDK-Version": "2.1.1",
         }
         headers["Authorization"] = f"Api-Key {self.api_key}"
         return headers
diff --git a/src/zep_cloud/types/reranker.py b/src/zep_cloud/types/reranker.py
index 470cbc8..4a627b5 100644
--- a/src/zep_cloud/types/reranker.py
+++ b/src/zep_cloud/types/reranker.py
@@ -2,4 +2,4 @@
 
 import typing
 
-Reranker = typing.Union[typing.Literal["rrf", "mmr", "node_distance", "episode_mentions"], typing.Any]
+Reranker = typing.Union[typing.Literal["rrf", "mmr", "node_distance", "episode_mentions", "cross_encoder"], typing.Any]