diff --git a/pyproject.toml b/pyproject.toml
index 85d82c4..07ddbf6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "vocode-api"
-version = "0.0.37"
+version = "0.0.38"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/src/vocode/core/client_wrapper.py b/src/vocode/core/client_wrapper.py
index 8dc8291..35f2d9a 100644
--- a/src/vocode/core/client_wrapper.py
+++ b/src/vocode/core/client_wrapper.py
@@ -14,7 +14,7 @@ def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "vocode-api",
-            "X-Fern-SDK-Version": "0.0.37",
+            "X-Fern-SDK-Version": "0.0.38",
         }
         headers["Authorization"] = f"Bearer {self._get_token()}"
         return headers
diff --git a/src/vocode/types/agent_update_params_endpointing_sensitivity.py b/src/vocode/types/agent_update_params_endpointing_sensitivity.py
index e2c97d3..2df2297 100644
--- a/src/vocode/types/agent_update_params_endpointing_sensitivity.py
+++ b/src/vocode/types/agent_update_params_endpointing_sensitivity.py
@@ -1,9 +1,14 @@
 # This file was auto-generated by Fern from our API Definition.
 
-from __future__ import annotations
-
 import typing
 
+import typing_extensions
+
 from .undefined import Undefined
 
-AgentUpdateParamsEndpointingSensitivity = typing.Union[AgentUpdateParamsEndpointingSensitivity, Undefined]
+AgentUpdateParamsEndpointingSensitivity = typing.Union[
+    typing_extensions.Literal["auto"],
+    typing_extensions.Literal["relaxed"],
+    typing_extensions.Literal["sensitive"],
+    Undefined,
+]
diff --git a/src/vocode/types/agent_update_params_ivr_navigation_mode.py b/src/vocode/types/agent_update_params_ivr_navigation_mode.py
index f4d5319..b4d7234 100644
--- a/src/vocode/types/agent_update_params_ivr_navigation_mode.py
+++ b/src/vocode/types/agent_update_params_ivr_navigation_mode.py
@@ -1,9 +1,11 @@
 # This file was auto-generated by Fern from our API Definition.
 
-from __future__ import annotations
-
 import typing
 
+import typing_extensions
+
 from .undefined import Undefined
 
-AgentUpdateParamsIvrNavigationMode = typing.Union[AgentUpdateParamsIvrNavigationMode, Undefined]
+AgentUpdateParamsIvrNavigationMode = typing.Union[
+    typing_extensions.Literal["default"], typing_extensions.Literal["off"], Undefined
+]
diff --git a/src/vocode/types/play_ht_voice_update_params_quality.py b/src/vocode/types/play_ht_voice_update_params_quality.py
index bd9f816..83e619f 100644
--- a/src/vocode/types/play_ht_voice_update_params_quality.py
+++ b/src/vocode/types/play_ht_voice_update_params_quality.py
@@ -1,9 +1,17 @@
 # This file was auto-generated by Fern from our API Definition.
 
-from __future__ import annotations
-
 import typing
 
+import typing_extensions
+
 from .undefined import Undefined
 
-PlayHtVoiceUpdateParamsQuality = typing.Union[PlayHtVoiceUpdateParamsQuality, Undefined]
+PlayHtVoiceUpdateParamsQuality = typing.Union[
+    typing_extensions.Literal["faster"],
+    typing_extensions.Literal["draft"],
+    typing_extensions.Literal["low"],
+    typing_extensions.Literal["medium"],
+    typing_extensions.Literal["high"],
+    typing_extensions.Literal["premium"],
+    Undefined,
+]
diff --git a/src/vocode/types/play_ht_voice_update_params_version.py b/src/vocode/types/play_ht_voice_update_params_version.py
index 0f32a54..66e2eee 100644
--- a/src/vocode/types/play_ht_voice_update_params_version.py
+++ b/src/vocode/types/play_ht_voice_update_params_version.py
@@ -1,9 +1,9 @@
 # This file was auto-generated by Fern from our API Definition.
 
-from __future__ import annotations
-
 import typing
 
+import typing_extensions
+
 from .undefined import Undefined
 
-PlayHtVoiceUpdateParamsVersion = typing.Union[PlayHtVoiceUpdateParamsVersion, Undefined]
+PlayHtVoiceUpdateParamsVersion = typing.Union[typing_extensions.Literal["1"], typing_extensions.Literal["2"], Undefined]