diff --git a/pyproject.toml b/pyproject.toml
index 38aec913..e862bf08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -177,7 +177,7 @@ select = [
   "T201",
   "T203",
   # misuse of typing.TYPE_CHECKING
-  "TCH004",
+  "TC004",
   # import rules
   "TID251",
 ]
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 172ccf7f..15a2fc37 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -78,7 +78,7 @@ pytz==2023.3.post1
     # via dirty-equals
 respx==0.22.0
 rich==13.7.1
-ruff==0.6.9
+ruff==0.9.4
 setuptools==68.2.2
     # via nodeenv
 six==1.16.0
diff --git a/scripts/utils/ruffen-docs.py b/scripts/utils/ruffen-docs.py
index 37b3d94f..0cf2bd2f 100644
--- a/scripts/utils/ruffen-docs.py
+++ b/scripts/utils/ruffen-docs.py
@@ -47,7 +47,7 @@ def _md_match(match: Match[str]) -> str:
         with _collect_error(match):
             code = format_code_block(code)
         code = textwrap.indent(code, match["indent"])
-        return f'{match["before"]}{code}{match["after"]}'
+        return f"{match['before']}{code}{match['after']}"
 
     def _pycon_match(match: Match[str]) -> str:
         code = ""
@@ -97,7 +97,7 @@ def finish_fragment() -> None:
     def _md_pycon_match(match: Match[str]) -> str:
         code = _pycon_match(match)
         code = textwrap.indent(code, match["indent"])
-        return f'{match["before"]}{code}{match["after"]}'
+        return f"{match['before']}{code}{match['after']}"
 
     src = MD_RE.sub(_md_match, src)
     src = MD_PYCON_RE.sub(_md_pycon_match, src)
diff --git a/src/orb/_models.py b/src/orb/_models.py
index 9a918aab..12c34b7d 100644
--- a/src/orb/_models.py
+++ b/src/orb/_models.py
@@ -172,7 +172,7 @@ def to_json(
     @override
     def __str__(self) -> str:
         # mypy complains about an invalid self arg
-        return f'{self.__repr_name__()}({self.__repr_str__(", ")})'  # type: ignore[misc]
+        return f"{self.__repr_name__()}({self.__repr_str__(', ')})"  # type: ignore[misc]
 
     # Override the 'construct' method in a way that supports recursive parsing without validation.
     # Based on https://github.com/samuelcolvin/pydantic/issues/1168#issuecomment-817742836.
diff --git a/tests/api_resources/dimensional_price_groups/test_external_dimensional_price_group_id.py b/tests/api_resources/dimensional_price_groups/test_external_dimensional_price_group_id.py
index d4fd8c5a..e4d7118f 100644
--- a/tests/api_resources/dimensional_price_groups/test_external_dimensional_price_group_id.py
+++ b/tests/api_resources/dimensional_price_groups/test_external_dimensional_price_group_id.py
@@ -87,8 +87,10 @@ async def test_raw_response_retrieve(self, async_client: AsyncOrb) -> None:
 
     @parametrize
     async def test_streaming_response_retrieve(self, async_client: AsyncOrb) -> None:
-        async with async_client.dimensional_price_groups.external_dimensional_price_group_id.with_streaming_response.retrieve(
-            "external_dimensional_price_group_id",
+        async with (
+            async_client.dimensional_price_groups.external_dimensional_price_group_id.with_streaming_response.retrieve(
+                "external_dimensional_price_group_id",
+            )
         ) as response:
             assert not response.is_closed
             assert response.http_request.headers.get("X-Stainless-Lang") == "python"
diff --git a/tests/api_resources/test_customers.py b/tests/api_resources/test_customers.py
index abedef0b..ff9b5b33 100644
--- a/tests/api_resources/test_customers.py
+++ b/tests/api_resources/test_customers.py
@@ -917,8 +917,10 @@ async def test_raw_response_sync_payment_methods_from_gateway_by_external_custom
     async def test_streaming_response_sync_payment_methods_from_gateway_by_external_customer_id(
         self, async_client: AsyncOrb
     ) -> None:
-        async with async_client.customers.with_streaming_response.sync_payment_methods_from_gateway_by_external_customer_id(
-            "customer_id",
+        async with (
+            async_client.customers.with_streaming_response.sync_payment_methods_from_gateway_by_external_customer_id(
+                "customer_id",
+            )
         ) as response:
             assert not response.is_closed
             assert response.http_request.headers.get("X-Stainless-Lang") == "python"