diff --git a/pyproject.toml b/pyproject.toml
index f4370c6c2..46ed9405b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cohere"
-version = "5.10.0"
+version = "5.11.0a0"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/src/cohere/core/client_wrapper.py b/src/cohere/core/client_wrapper.py
index bad0ef86f..fd0ba72b0 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": "5.10.0",
+            "X-Fern-SDK-Version": "5.11.0a0",
         }
         if self._client_name is not None:
             headers["X-Client-Name"] = self._client_name