diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d0ab6645..d43a621a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.2.0"
+  ".": "1.2.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11fb638b..6aa6bab2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.2.1 (2024-08-19)
+
+Full Changelog: [v1.2.0...v1.2.1](https://github.com/Finch-API/finch-api-python/compare/v1.2.0...v1.2.1)
+
+### Chores
+
+* **internal:** use different 32bit detection method ([#477](https://github.com/Finch-API/finch-api-python/issues/477)) ([a0a62f8](https://github.com/Finch-API/finch-api-python/commit/a0a62f8a825a058aef0e22502b83f148415bbcae))
+
 ## 1.2.0 (2024-08-13)
 
 Full Changelog: [v1.1.3...v1.2.0](https://github.com/Finch-API/finch-api-python/compare/v1.1.3...v1.2.0)
diff --git a/pyproject.toml b/pyproject.toml
index 29b0046d..b1fc9802 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "finch-api"
-version = "1.2.0"
+version = "1.2.1"
 description = "The official Python library for the Finch API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/finch/_base_client.py b/src/finch/_base_client.py
index afcd47f5..1316a641 100644
--- a/src/finch/_base_client.py
+++ b/src/finch/_base_client.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import sys
 import json
 import time
 import uuid
@@ -2011,7 +2012,6 @@ def get_python_version() -> str:
 
 def get_architecture() -> Arch:
     try:
-        python_bitness, _ = platform.architecture()
         machine = platform.machine().lower()
     except Exception:
         return "unknown"
@@ -2027,7 +2027,7 @@ def get_architecture() -> Arch:
         return "x64"
 
     # TODO: untested
-    if python_bitness == "32bit":
+    if sys.maxsize <= 2**32:
         return "x32"
 
     if machine:
diff --git a/src/finch/_version.py b/src/finch/_version.py
index 67677ac4..2dd09286 100644
--- a/src/finch/_version.py
+++ b/src/finch/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "finch"
-__version__ = "1.2.0"  # x-release-please-version
+__version__ = "1.2.1"  # x-release-please-version