diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index f118d043..7c622323 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.128.0"
+  ".": "0.128.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 61b1e699..cb396d63 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 213
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-47e9f78d22682623e313f1689f5fa7e3420575ff285a14a2f4704c49ffb6b72e.yml
-openapi_spec_hash: 4797fe46d942cb32e648a79015783d01
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-d83e3ddb148bc0c81ff97bd31b82027d5b37efc110f5981103e7b9a2ae281c86.yml
+openapi_spec_hash: f607b0571c4ed82a93a3df7bc9e9351b
 config_hash: 5bb913c05ebeb301ec925b16e75bb251
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73d76d74..ec6b40b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.128.1 (2026-06-25)
+
+Full Changelog: [v0.128.0...v0.128.1](https://github.com/lithic-com/lithic-python/compare/v0.128.0...v0.128.1)
+
+### Documentation
+
+* **types:** update cash_amount field description in CardAuthorization ([1157e38](https://github.com/lithic-com/lithic-python/commit/1157e38b8bfe8ec1a819eacda361957f640e8430))
+
 ## 0.128.0 (2026-06-23)
 
 Full Changelog: [v0.127.0...v0.128.0](https://github.com/lithic-com/lithic-python/compare/v0.127.0...v0.128.0)
diff --git a/pyproject.toml b/pyproject.toml
index 0d1491ac..c5052633 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "lithic"
-version = "0.128.0"
+version = "0.128.1"
 description = "The official Python library for the lithic API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/lithic/_version.py b/src/lithic/_version.py
index 4fcbf72e..50273b19 100644
--- a/src/lithic/_version.py
+++ b/src/lithic/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "lithic"
-__version__ = "0.128.0"  # x-release-please-version
+__version__ = "0.128.1"  # x-release-please-version
diff --git a/src/lithic/types/card_authorization.py b/src/lithic/types/card_authorization.py
index 4b11c293..ed818f23 100644
--- a/src/lithic/types/card_authorization.py
+++ b/src/lithic/types/card_authorization.py
@@ -483,12 +483,13 @@ class CardAuthorization(BaseModel):
 
     cash_amount: int
     """
-    The portion of the transaction requested as cash back by the cardholder, and
-    does not include any acquirer fees. The amount field includes the purchase
-    amount, the requested cash back amount, and any acquirer fees.
+    The amount of cash requested by the cardholder, in the cardholder billing
+    currency's smallest unit. For purchase-with-cashback transactions this is the
+    cashback portion only; for ATM transactions this is the full amount. This amount
+    includes all acquirer fees.
 
-    If no cash back was requested, the value of this field will be 0, and the field
-    will always be present.
+    If no cash was requested, the value of this field will be 0, and the field will
+    always be present.
     """
 
     created: datetime