diff --git a/src/finch/resources/hris/benefits/benefits.py b/src/finch/resources/hris/benefits/benefits.py
index bf9b6870..1068dab2 100644
--- a/src/finch/resources/hris/benefits/benefits.py
+++ b/src/finch/resources/hris/benefits/benefits.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Optional
 
 from ...._types import NOT_GIVEN, Body, Query, Headers, NotGiven
 from ...._utils import maybe_transform
@@ -38,8 +38,8 @@ def create(
         self,
         *,
         description: str | NotGiven = NOT_GIVEN,
-        frequency: BenefitFrequency | NotGiven = NOT_GIVEN,
-        type: BenefitType | NotGiven = NOT_GIVEN,
+        frequency: Optional[BenefitFrequency] | NotGiven = NOT_GIVEN,
+        type: Optional[BenefitType] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -211,8 +211,8 @@ async def create(
         self,
         *,
         description: str | NotGiven = NOT_GIVEN,
-        frequency: BenefitFrequency | NotGiven = NOT_GIVEN,
-        type: BenefitType | NotGiven = NOT_GIVEN,
+        frequency: Optional[BenefitFrequency] | NotGiven = NOT_GIVEN,
+        type: Optional[BenefitType] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
diff --git a/src/finch/types/hris/benefit_create_params.py b/src/finch/types/hris/benefit_create_params.py
index 317370ff..e42f3bb0 100644
--- a/src/finch/types/hris/benefit_create_params.py
+++ b/src/finch/types/hris/benefit_create_params.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from typing import Optional
 from typing_extensions import TypedDict
 
 from .benefit_type import BenefitType
@@ -13,7 +14,7 @@
 class BenefitCreateParams(TypedDict, total=False):
     description: str
 
-    frequency: BenefitFrequency
+    frequency: Optional[BenefitFrequency]
 
-    type: BenefitType
+    type: Optional[BenefitType]
     """Type of benefit."""
diff --git a/src/finch/types/hris/supported_benefit.py b/src/finch/types/hris/supported_benefit.py
index a79866e1..d99bfae2 100644
--- a/src/finch/types/hris/supported_benefit.py
+++ b/src/finch/types/hris/supported_benefit.py
@@ -5,6 +5,7 @@
 
 from ..._models import BaseModel
 from .benefit_type import BenefitType
+from .benefit_frequency import BenefitFrequency
 
 __all__ = ["SupportedBenefit"]
 
@@ -33,7 +34,7 @@ class SupportedBenefit(BaseModel):
     An empty array indicates deductions are not supported.
     """
 
-    frequencies: Optional[List[Optional[Literal["one_time", "every_paycheck"]]]] = None
+    frequencies: Optional[List[Optional[BenefitFrequency]]] = None
     """The list of frequencies supported by the provider for this benefit"""
 
     hsa_contribution_limit: Optional[List[Literal["individual", "family"]]] = None