diff --git a/.fern/metadata.json b/.fern/metadata.json
index 848b691f3..edf9ae734 100644
--- a/.fern/metadata.json
+++ b/.fern/metadata.json
@@ -80,5 +80,5 @@
     ]
   },
   "originGitCommit": "7ffcb80a5edaf952524b88ad8960151e148ff39b",
-  "sdkVersion": "5.21.0"
+  "sdkVersion": "5.21.1"
 }
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 7c7461dae..6a83e8921 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ dynamic = ["version"]
 
 [tool.poetry]
 name = "cohere"
-version = "5.21.0"
+version = "5.21.1"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/src/cohere/core/client_wrapper.py b/src/cohere/core/client_wrapper.py
index fbd5e76dd..55f14166d 100644
--- a/src/cohere/core/client_wrapper.py
+++ b/src/cohere/core/client_wrapper.py
@@ -29,12 +29,12 @@ def get_headers(self) -> typing.Dict[str, str]:
         import platform
 
         headers: typing.Dict[str, str] = {
-            "User-Agent": "cohere/5.21.0",
+            "User-Agent": "cohere/5.21.1",
             "X-Fern-Language": "Python",
             "X-Fern-Runtime": f"python/{platform.python_version()}",
             "X-Fern-Platform": f"{platform.system().lower()}/{platform.release()}",
             "X-Fern-SDK-Name": "cohere",
-            "X-Fern-SDK-Version": "5.21.0",
+            "X-Fern-SDK-Version": "5.21.1",
             **(self.get_custom_headers() or {}),
         }
         if self._client_name is not None: