diff --git a/requirements-dev.lock b/requirements-dev.lock
index fa95964d07..0392de573f 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -17,7 +17,7 @@ argcomplete==3.1.2
     # via nox
 attrs==23.1.0
     # via pytest
-azure-core==1.30.0
+azure-core==1.30.1
     # via azure-identity
 azure-identity==1.15.0
 certifi==2023.7.22
@@ -96,7 +96,7 @@ pydantic-core==2.10.1
     # via pydantic
 pyjwt==2.8.0
     # via msal
-pyright==1.1.351
+pyright==1.1.353
 pytest==7.1.1
     # via pytest-asyncio
 pytest-asyncio==0.21.1
diff --git a/src/openai/_legacy_response.py b/src/openai/_legacy_response.py
index 7285053409..1a08144480 100644
--- a/src/openai/_legacy_response.py
+++ b/src/openai/_legacy_response.py
@@ -315,7 +315,7 @@ def to_raw_response_wrapper(func: Callable[P, R]) -> Callable[P, LegacyAPIRespon
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> LegacyAPIResponse[R]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "true"
 
         kwargs["extra_headers"] = extra_headers
@@ -332,7 +332,7 @@ def async_to_raw_response_wrapper(func: Callable[P, Awaitable[R]]) -> Callable[P
 
     @functools.wraps(func)
     async def wrapped(*args: P.args, **kwargs: P.kwargs) -> LegacyAPIResponse[R]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "true"
 
         kwargs["extra_headers"] = extra_headers
diff --git a/src/openai/_response.py b/src/openai/_response.py
index 0eaf9778b7..f684b08c23 100644
--- a/src/openai/_response.py
+++ b/src/openai/_response.py
@@ -634,7 +634,7 @@ def to_streamed_response_wrapper(func: Callable[P, R]) -> Callable[P, ResponseCo
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> ResponseContextManager[APIResponse[R]]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "stream"
 
         kwargs["extra_headers"] = extra_headers
@@ -655,7 +655,7 @@ def async_to_streamed_response_wrapper(
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> AsyncResponseContextManager[AsyncAPIResponse[R]]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "stream"
 
         kwargs["extra_headers"] = extra_headers
@@ -679,7 +679,7 @@ def to_custom_streamed_response_wrapper(
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> ResponseContextManager[_APIResponseT]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, Any] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "stream"
         extra_headers[OVERRIDE_CAST_TO_HEADER] = response_cls
 
@@ -704,7 +704,7 @@ def async_to_custom_streamed_response_wrapper(
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> AsyncResponseContextManager[_AsyncAPIResponseT]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, Any] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "stream"
         extra_headers[OVERRIDE_CAST_TO_HEADER] = response_cls
 
@@ -724,7 +724,7 @@ def to_raw_response_wrapper(func: Callable[P, R]) -> Callable[P, APIResponse[R]]
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> APIResponse[R]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "raw"
 
         kwargs["extra_headers"] = extra_headers
@@ -741,7 +741,7 @@ def async_to_raw_response_wrapper(func: Callable[P, Awaitable[R]]) -> Callable[P
 
     @functools.wraps(func)
     async def wrapped(*args: P.args, **kwargs: P.kwargs) -> AsyncAPIResponse[R]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, str] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "raw"
 
         kwargs["extra_headers"] = extra_headers
@@ -763,7 +763,7 @@ def to_custom_raw_response_wrapper(
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> _APIResponseT:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, Any] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "raw"
         extra_headers[OVERRIDE_CAST_TO_HEADER] = response_cls
 
@@ -786,7 +786,7 @@ def async_to_custom_raw_response_wrapper(
 
     @functools.wraps(func)
     def wrapped(*args: P.args, **kwargs: P.kwargs) -> Awaitable[_AsyncAPIResponseT]:
-        extra_headers = {**(cast(Any, kwargs.get("extra_headers")) or {})}
+        extra_headers: dict[str, Any] = {**(cast(Any, kwargs.get("extra_headers")) or {})}
         extra_headers[RAW_RESPONSE_HEADER] = "raw"
         extra_headers[OVERRIDE_CAST_TO_HEADER] = response_cls