diff --git a/.stats.yml b/.stats.yml
index cd03fb95..10418050 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 8
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/arcade-ai%2Farcade-engine-8b9d1faf866c909561b771928d9c93b9de29ccdb684b0a9b05a49390e233cf39.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/arcade-ai%2Farcade-engine-c39a889a7a9dfbe831ced04498536bd26dfb9018dd6c8da435f4f825b05967c8.yml
diff --git a/src/arcadepy/resources/chat/completions.py b/src/arcadepy/resources/chat/completions.py
index ca188130..f6ab0b4a 100644
--- a/src/arcadepy/resources/chat/completions.py
+++ b/src/arcadepy/resources/chat/completions.py
@@ -58,7 +58,7 @@ def create(
         messages: Iterable[ChatMessageParam] | NotGiven = NOT_GIVEN,
         model: str | NotGiven = NOT_GIVEN,
         n: int | NotGiven = NOT_GIVEN,
-        parallel_tool_calls: object | NotGiven = NOT_GIVEN,
+        parallel_tool_calls: bool | NotGiven = NOT_GIVEN,
         presence_penalty: int | NotGiven = NOT_GIVEN,
         response_format: Literal["json_object", "text"] | NotGiven = NOT_GIVEN,
         seed: int | NotGiven = NOT_GIVEN,
@@ -181,7 +181,7 @@ async def create(
         messages: Iterable[ChatMessageParam] | NotGiven = NOT_GIVEN,
         model: str | NotGiven = NOT_GIVEN,
         n: int | NotGiven = NOT_GIVEN,
-        parallel_tool_calls: object | NotGiven = NOT_GIVEN,
+        parallel_tool_calls: bool | NotGiven = NOT_GIVEN,
         presence_penalty: int | NotGiven = NOT_GIVEN,
         response_format: Literal["json_object", "text"] | NotGiven = NOT_GIVEN,
         seed: int | NotGiven = NOT_GIVEN,
diff --git a/src/arcadepy/types/chat/completion_create_params.py b/src/arcadepy/types/chat/completion_create_params.py
index 43b86239..4081ba17 100644
--- a/src/arcadepy/types/chat/completion_create_params.py
+++ b/src/arcadepy/types/chat/completion_create_params.py
@@ -37,7 +37,7 @@ class CompletionCreateParams(TypedDict, total=False):
 
     n: int
 
-    parallel_tool_calls: object
+    parallel_tool_calls: bool
     """Disable the default behavior of parallel tool calls by setting it: false."""
 
     presence_penalty: int
diff --git a/tests/api_resources/chat/test_completions.py b/tests/api_resources/chat/test_completions.py
index 3cdade05..dc8a03e8 100644
--- a/tests/api_resources/chat/test_completions.py
+++ b/tests/api_resources/chat/test_completions.py
@@ -129,7 +129,7 @@ def test_method_create_with_all_params(self, client: Arcade) -> None:
             ],
             model="model",
             n=0,
-            parallel_tool_calls={},
+            parallel_tool_calls=True,
             presence_penalty=0,
             response_format="json_object",
             seed=0,
@@ -281,7 +281,7 @@ async def test_method_create_with_all_params(self, async_client: AsyncArcade) ->
             ],
             model="model",
             n=0,
-            parallel_tool_calls={},
+            parallel_tool_calls=True,
             presence_penalty=0,
             response_format="json_object",
             seed=0,