diff --git a/python/langsmith/client.py b/python/langsmith/client.py
index a79bf19dd..801561f59 100644
--- a/python/langsmith/client.py
+++ b/python/langsmith/client.py
@@ -2555,11 +2555,12 @@ def create_dataset(
             inputs_schema=inputs_schema,
             outputs_schema=outputs_schema,
         )
+
         response = self.request_with_retries(
             "POST",
             "/datasets",
             headers={**self._headers, "Content-Type": "application/json"},
-            data=dataset.json(),
+            data=dataset.json(by_alias=True),
         )
         ls_utils.raise_for_status_with_text(response)
         return ls_schemas.Dataset(
diff --git a/python/langsmith/schemas.py b/python/langsmith/schemas.py
index f8bb26744..a57a509f5 100644
--- a/python/langsmith/schemas.py
+++ b/python/langsmith/schemas.py
@@ -128,12 +128,17 @@ class DatasetBase(BaseModel):
     name: str
     description: Optional[str] = None
     data_type: Optional[DataType] = None
-    inputs_schema: Optional[Dict[str, Any]] = None
-    outputs_schema: Optional[Dict[str, Any]] = None
+    inputs_schema: Optional[Dict[str, Any]] = Field(
+        None, alias="inputs_schema_definition"
+    )
+    outputs_schema: Optional[Dict[str, Any]] = Field(
+        None, alias="outputs_schema_definition"
+    )
 
     class Config:
         """Configuration class for the schema."""
 
+        allow_population_by_field_name = True
         frozen = True