diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9026c214..6ceb0192 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.156.0"
+  ".": "0.157.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 603f7b80..c144966e 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 199
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-3ba84b9feb561355302af8e25d666f65a8a3f152f59dcb7dec57abcb99639d61.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-8b8e19d1cfc46bbf4bd8f898d3231d6d571ae179ff531b22037470d4051f8351.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 461444fc..e3f16875 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.157.0 (2024-11-13)
+
+Full Changelog: [v0.156.0...v0.157.0](https://github.com/Increase/increase-python/compare/v0.156.0...v0.157.0)
+
+### Features
+
+* **api:** api update ([#817](https://github.com/Increase/increase-python/issues/817)) ([5fd50fc](https://github.com/Increase/increase-python/commit/5fd50fcbc4fdabdeddbd6b5a5328951108a61955))
+
 ## 0.156.0 (2024-11-13)
 
 Full Changelog: [v0.155.0...v0.156.0](https://github.com/Increase/increase-python/compare/v0.155.0...v0.156.0)
diff --git a/pyproject.toml b/pyproject.toml
index 9630059f..98c1c2c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "increase"
-version = "0.156.0"
+version = "0.157.0"
 description = "The official Python library for the increase API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/increase/_version.py b/src/increase/_version.py
index b577f326..89cc1746 100644
--- a/src/increase/_version.py
+++ b/src/increase/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "increase"
-__version__ = "0.156.0"  # x-release-please-version
+__version__ = "0.157.0"  # x-release-please-version
diff --git a/src/increase/types/card_payment.py b/src/increase/types/card_payment.py
index f57add01..833ff88f 100644
--- a/src/increase/types/card_payment.py
+++ b/src/increase/types/card_payment.py
@@ -1542,6 +1542,9 @@ class ElementCardRefund(BaseModel):
     merchant_name: str
     """The name of the merchant."""
 
+    merchant_postal_code: Optional[str] = None
+    """The merchant's postal code. For US merchants this is always a 5-digit ZIP code."""
+
     merchant_state: Optional[str] = None
     """The state the merchant resides in."""
 
@@ -2200,6 +2203,9 @@ class ElementCardSettlement(BaseModel):
     merchant_name: str
     """The name of the merchant."""
 
+    merchant_postal_code: Optional[str] = None
+    """The merchant's postal code. For US merchants this is always a 5-digit ZIP code."""
+
     merchant_state: Optional[str] = None
     """The state the merchant resides in."""
 
diff --git a/src/increase/types/transaction.py b/src/increase/types/transaction.py
index 2fa29933..4a5d1b59 100644
--- a/src/increase/types/transaction.py
+++ b/src/increase/types/transaction.py
@@ -901,6 +901,9 @@ class SourceCardRefund(BaseModel):
     merchant_name: str
     """The name of the merchant."""
 
+    merchant_postal_code: Optional[str] = None
+    """The merchant's postal code. For US merchants this is always a 5-digit ZIP code."""
+
     merchant_state: Optional[str] = None
     """The state the merchant resides in."""
 
@@ -1464,6 +1467,9 @@ class SourceCardSettlement(BaseModel):
     merchant_name: str
     """The name of the merchant."""
 
+    merchant_postal_code: Optional[str] = None
+    """The merchant's postal code. For US merchants this is always a 5-digit ZIP code."""
+
     merchant_state: Optional[str] = None
     """The state the merchant resides in."""