diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2a8f4ffd..3e9af1b3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.3.0"
+  ".": "1.4.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61ce2aee..c082f977 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.4.0 (2024-08-30)
+
+Full Changelog: [v1.3.0...v1.4.0](https://github.com/Finch-API/finch-api-python/compare/v1.3.0...v1.4.0)
+
+### Features
+
+* **api:** OpenAPI spec update via Stainless API ([#487](https://github.com/Finch-API/finch-api-python/issues/487)) ([7c454f8](https://github.com/Finch-API/finch-api-python/commit/7c454f82cd9dda072cea9c8e350cf23318d68e8e))
+
 ## 1.3.0 (2024-08-28)
 
 Full Changelog: [v1.2.2...v1.3.0](https://github.com/Finch-API/finch-api-python/compare/v1.2.2...v1.3.0)
diff --git a/pyproject.toml b/pyproject.toml
index ba77ebd9..b1d4ac52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "finch-api"
-version = "1.3.0"
+version = "1.4.0"
 description = "The official Python library for the Finch API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/finch/_version.py b/src/finch/_version.py
index ad703d8e..9f19bb66 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__ = "1.3.0"  # x-release-please-version
+__version__ = "1.4.0"  # x-release-please-version