diff --git a/.fern/metadata.json b/.fern/metadata.json
index 008a4d7..71797c8 100644
--- a/.fern/metadata.json
+++ b/.fern/metadata.json
@@ -11,6 +11,6 @@
       "exported_class_name": "Zep"
     }
   },
-  "originGitCommit": "f5d305f39ed149d17c3af28e057c82f3801d28f2",
-  "sdkVersion": "4.0.0a2"
+  "originGitCommit": "8e073d7f139b556f42195edebf917d799ae9dd87",
+  "sdkVersion": "4.0.0a3"
 }
\ No newline at end of file
diff --git a/.fern/replay.lock b/.fern/replay.lock
index 71f84a3..4f3e7a5 100644
--- a/.fern/replay.lock
+++ b/.fern/replay.lock
@@ -18,5 +18,11 @@ generations:
     cli_version: unknown
     generator_versions:
       fernapi/fern-python-sdk: 4.64.1
-current_generation: 6c31f55ae0a835df34278bf28c57bd22f6398198
+  - commit_sha: 3602fe4b3cd81828dd5da57597d6c51be72be1ec
+    tree_hash: 856f7ab0156afff6d0b051258bbb629d16ba1442
+    timestamp: 2026-08-25T02:21:13.638Z
+    cli_version: unknown
+    generator_versions:
+      fernapi/fern-python-sdk: 4.64.1
+current_generation: 3602fe4b3cd81828dd5da57597d6c51be72be1ec
 patches: []
diff --git a/pyproject.toml b/pyproject.toml
index 2521705..a500743 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,11 +1,11 @@
 [project]
 name = "zep-cloud"
 dynamic = ["version"]
-version = "4.0.0a2"
+version = "4.0.0a3"
 
 [tool.poetry]
 name = "zep-cloud"
-version = "4.0.0a2"
+version = "4.0.0a3"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/src/zep_cloud/core/client_wrapper.py b/src/zep_cloud/core/client_wrapper.py
index f71e8a5..1393e21 100644
--- a/src/zep_cloud/core/client_wrapper.py
+++ b/src/zep_cloud/core/client_wrapper.py
@@ -27,12 +27,12 @@ def get_headers(self) -> typing.Dict[str, str]:
         import platform
 
         headers: typing.Dict[str, str] = {
-            "User-Agent": "zep-cloud/4.0.0a2",
+            "User-Agent": "zep-cloud/4.0.0a3",
             "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": "zep-cloud",
-            "X-Fern-SDK-Version": "4.0.0a2",
+            "X-Fern-SDK-Version": "4.0.0a3",
             **(self.get_custom_headers() or {}),
         }
         headers["Authorization"] = f"Api-Key {self.api_key}"