diff --git a/pyproject.toml b/pyproject.toml
index b884c1f54..8d0b8072b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cohere"
-version = "5.13.0"
+version = "5.13.1"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/reference.md b/reference.md
index 06cf6da61..9cf1c2f5e 100644
--- a/reference.md
+++ b/reference.md
@@ -1793,7 +1793,7 @@ We recommend a maximum of 1,000 documents for optimal endpoint performance.
 <dl>
 <dd>
 
-**model:** `typing.Optional[str]` — The identifier of the model to use, one of : `rerank-english-v3.0`, `rerank-multilingual-v3.0`, `rerank-english-v2.0`, `rerank-multilingual-v2.0`
+**model:** `typing.Optional[str]` — The identifier of the model to use, eg `rerank-v3.5`.
     
 </dd>
 </dl>
@@ -3084,15 +3084,7 @@ client.v2.rerank(
 <dl>
 <dd>
 
-**model:** `str` 
-
-The identifier of the model to use.
-
-Supported models:
-  - `rerank-english-v3.0`
-  - `rerank-multilingual-v3.0`
-  - `rerank-english-v2.0`
-  - `rerank-multilingual-v2.0`
+**model:** `str` — The identifier of the model to use, eg `rerank-v3.5`.
     
 </dd>
 </dl>
diff --git a/src/cohere/base_client.py b/src/cohere/base_client.py
index b18ccb2f3..50a638de6 100644
--- a/src/cohere/base_client.py
+++ b/src/cohere/base_client.py
@@ -2012,7 +2012,7 @@ def rerank(
             We recommend a maximum of 1,000 documents for optimal endpoint performance.
 
         model : typing.Optional[str]
-            The identifier of the model to use, one of : `rerank-english-v3.0`, `rerank-multilingual-v3.0`, `rerank-english-v2.0`, `rerank-multilingual-v2.0`
+            The identifier of the model to use, eg `rerank-v3.5`.
 
         top_n : typing.Optional[int]
             The number of most relevant documents or indices to return, defaults to the length of the documents
@@ -5047,7 +5047,7 @@ async def rerank(
             We recommend a maximum of 1,000 documents for optimal endpoint performance.
 
         model : typing.Optional[str]
-            The identifier of the model to use, one of : `rerank-english-v3.0`, `rerank-multilingual-v3.0`, `rerank-english-v2.0`, `rerank-multilingual-v2.0`
+            The identifier of the model to use, eg `rerank-v3.5`.
 
         top_n : typing.Optional[int]
             The number of most relevant documents or indices to return, defaults to the length of the documents
diff --git a/src/cohere/core/client_wrapper.py b/src/cohere/core/client_wrapper.py
index 23383e889..fcc6933d6 100644
--- a/src/cohere/core/client_wrapper.py
+++ b/src/cohere/core/client_wrapper.py
@@ -24,7 +24,7 @@ def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "cohere",
-            "X-Fern-SDK-Version": "5.13.0",
+            "X-Fern-SDK-Version": "5.13.1",
         }
         if self._client_name is not None:
             headers["X-Client-Name"] = self._client_name
diff --git a/src/cohere/v2/client.py b/src/cohere/v2/client.py
index 05b4f4b7a..c62edd8e0 100644
--- a/src/cohere/v2/client.py
+++ b/src/cohere/v2/client.py
@@ -936,13 +936,7 @@ def rerank(
         Parameters
         ----------
         model : str
-            The identifier of the model to use.
-
-            Supported models:
-              - `rerank-english-v3.0`
-              - `rerank-multilingual-v3.0`
-              - `rerank-english-v2.0`
-              - `rerank-multilingual-v2.0`
+            The identifier of the model to use, eg `rerank-v3.5`.
 
         query : str
             The search query
@@ -2040,13 +2034,7 @@ async def rerank(
         Parameters
         ----------
         model : str
-            The identifier of the model to use.
-
-            Supported models:
-              - `rerank-english-v3.0`
-              - `rerank-multilingual-v3.0`
-              - `rerank-english-v2.0`
-              - `rerank-multilingual-v2.0`
+            The identifier of the model to use, eg `rerank-v3.5`.
 
         query : str
             The search query