diff --git a/.speakeasy/gen.lock b/.speakeasy/gen.lock
index 25e4d1a4..2f867673 100755
--- a/.speakeasy/gen.lock
+++ b/.speakeasy/gen.lock
@@ -4,21 +4,21 @@ management:
   docChecksum: 559aacf6828c62bd379326645382b3ba
   docVersion: 0.0.1
   speakeasyVersion: internal
-  generationVersion: 2.230.1
-  releaseVersion: 0.15.2
-  configChecksum: c7f5587d10f16ad71c809e8627e64175
+  generationVersion: 2.237.2
+  releaseVersion: 0.15.5
+  configChecksum: 5138d0e0d09d018eeec74356c4b3fef5
   repoURL: https://github.com/Unstructured-IO/unstructured-python-client.git
   repoSubDirectory: .
   installationURL: https://github.com/Unstructured-IO/unstructured-python-client.git
   published: true
 features:
   python:
-    core: 4.4.1
+    core: 4.4.2
     examples: 2.81.3
-    globalSecurity: 2.83.1
+    globalSecurity: 2.83.2
     globalServerURLs: 2.82.1
     nameOverrides: 2.81.1
-    retries: 2.82.0
+    retries: 2.82.1
     serverIDs: 2.81.1
     unions: 2.82.5
 generatedFiles:
diff --git a/RELEASES.md b/RELEASES.md
index b68bee7c..1d847c4c 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -344,4 +344,44 @@ Based on:
 ### Generated
 - [python v0.15.2] .
 ### Releases
-- [PyPI v0.15.2] https://pypi.org/project/unstructured-client/0.15.2 - .
\ No newline at end of file
+- [PyPI v0.15.2] https://pypi.org/project/unstructured-client/0.15.2 - .
+
+## 2024-01-12 00:19:36
+### Changes
+Based on:
+- OpenAPI Doc 0.0.1 
+- Speakeasy CLI 1.136.1 (2.231.0) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v0.15.2] .
+### Releases
+- [PyPI v0.15.2] https://pypi.org/project/unstructured-client/0.15.2 - .
+
+## 2024-01-16 00:19:58
+### Changes
+Based on:
+- OpenAPI Doc 0.0.1 
+- Speakeasy CLI 1.141.1 (2.233.2) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v0.15.3] .
+### Releases
+- [PyPI v0.15.3] https://pypi.org/project/unstructured-client/0.15.3 - .
+
+## 2024-01-17 00:19:51
+### Changes
+Based on:
+- OpenAPI Doc 0.0.1 
+- Speakeasy CLI 1.142.1 (2.234.3) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v0.15.4] .
+### Releases
+- [PyPI v0.15.4] https://pypi.org/project/unstructured-client/0.15.4 - .
+
+## 2024-01-19 00:19:58
+### Changes
+Based on:
+- OpenAPI Doc 0.0.1 
+- Speakeasy CLI 1.147.0 (2.237.2) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v0.15.5] .
+### Releases
+- [PyPI v0.15.5] https://pypi.org/project/unstructured-client/0.15.5 - .
\ No newline at end of file
diff --git a/gen.yaml b/gen.yaml
index 86087780..2d441262 100644
--- a/gen.yaml
+++ b/gen.yaml
@@ -6,7 +6,7 @@ generation:
   fixes:
     nameResolutionDec2023: false
 python:
-  version: 0.15.2
+  version: 0.15.5
   author: Unstructured
   clientServerStatusCodesAsErrors: true
   description: Python Client SDK for Unstructured API
diff --git a/setup.py b/setup.py
index 4fca2489..1d9bf600 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setuptools.setup(
     name="unstructured-client",
-    version="0.15.2",
+    version="0.15.5",
     author="Unstructured",
     description="Python Client SDK for Unstructured API",
     long_description=long_description,
diff --git a/src/unstructured_client/sdk.py b/src/unstructured_client/sdk.py
index 4ebbcc63..18fb5cb1 100644
--- a/src/unstructured_client/sdk.py
+++ b/src/unstructured_client/sdk.py
@@ -3,7 +3,7 @@
 import requests as requests_http
 from .general import General
 from .sdkconfiguration import SDKConfiguration
-from typing import Dict
+from typing import Callable, Dict, Union
 from unstructured_client import utils
 from unstructured_client.models import shared
 
@@ -14,7 +14,7 @@ class UnstructuredClient:
     sdk_configuration: SDKConfiguration
 
     def __init__(self,
-                 api_key_auth: str ,
+                 api_key_auth: Union[str, Callable[[], str]],
                  server: str = None,
                  server_url: str = None,
                  url_params: Dict[str, str] = None,
@@ -24,7 +24,7 @@ def __init__(self,
         """Instantiates the SDK configuring it with the provided parameters.
         
         :param api_key_auth: The api_key_auth required for authentication
-        :type api_key_auth: Union[str,Callable[[], str]]
+        :type api_key_auth: Union[str, Callable[[], str]]
         :param server: The server by name to use for all operations
         :type server: str
         :param server_url: The server URL to use for all operations
@@ -39,7 +39,11 @@ def __init__(self,
         if client is None:
             client = requests_http.Session()
         
-        security = shared.Security(api_key_auth = api_key_auth)
+        if callable(api_key_auth):
+            def security():
+                return shared.Security(api_key_auth = api_key_auth())
+        else:
+            security = shared.Security(api_key_auth = api_key_auth)
         
         if server_url is not None:
             if url_params is not None:
diff --git a/src/unstructured_client/sdkconfiguration.py b/src/unstructured_client/sdkconfiguration.py
index bb4fd2af..b1e695f1 100644
--- a/src/unstructured_client/sdkconfiguration.py
+++ b/src/unstructured_client/sdkconfiguration.py
@@ -27,9 +27,9 @@ class SDKConfiguration:
     server: str = ''
     language: str = 'python'
     openapi_doc_version: str = '0.0.1'
-    sdk_version: str = '0.15.2'
-    gen_version: str = '2.230.1'
-    user_agent: str = 'speakeasy-sdk/python 0.15.2 2.230.1 0.0.1 unstructured-client'
+    sdk_version: str = '0.15.5'
+    gen_version: str = '2.237.2'
+    user_agent: str = 'speakeasy-sdk/python 0.15.5 2.237.2 0.0.1 unstructured-client'
     retry_config: RetryConfig = None
 
     def get_server_details(self) -> Tuple[str, Dict[str, str]]:
diff --git a/src/unstructured_client/utils/retries.py b/src/unstructured_client/utils/retries.py
index 25f49a1f..8eba0940 100644
--- a/src/unstructured_client/utils/retries.py
+++ b/src/unstructured_client/utils/retries.py
@@ -75,12 +75,12 @@ def do_request():
                         if res.status_code == parsed_code:
                             raise TemporaryError(res)
             except requests.exceptions.ConnectionError as exception:
-                if not retries.config.config.retry_connection_errors:
+                if retries.config.config.retry_connection_errors:
                     raise
 
                 raise PermanentError(exception) from exception
             except requests.exceptions.Timeout as exception:
-                if not retries.config.config.retry_connection_errors:
+                if retries.config.config.retry_connection_errors:
                     raise
 
                 raise PermanentError(exception) from exception
diff --git a/src/unstructured_client/utils/utils.py b/src/unstructured_client/utils/utils.py
index 1a60d406..f7096142 100644
--- a/src/unstructured_client/utils/utils.py
+++ b/src/unstructured_client/utils/utils.py
@@ -110,19 +110,22 @@ def _parse_security_scheme_value(client: SecurityClient, scheme_metadata: Dict,
         else:
             raise Exception('not supported')
     elif scheme_type == "openIdConnect":
-        client.client.headers[header_name] = value
+        client.client.headers[header_name] = _apply_bearer(value)
     elif scheme_type == 'oauth2':
-        client.client.headers[header_name] = value
+        client.client.headers[header_name] = _apply_bearer(value)
     elif scheme_type == 'http':
         if sub_type == 'bearer':
-            client.client.headers[header_name] = value.lower().startswith(
-                'bearer ') and value or f'Bearer {value}'
+            client.client.headers[header_name] = _apply_bearer(value)
         else:
             raise Exception('not supported')
     else:
         raise Exception('not supported')
 
 
+def _apply_bearer(token: str) -> str:
+    return token.lower().startswith('bearer ') and token or f'Bearer {token}'
+
+
 def _parse_basic_auth_scheme(client: SecurityClient, scheme: dataclass):
     username = ""
     password = ""