diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 31d8238881..a2b1280ba0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.28.0"
+  ".": "1.28.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1feb7e4967..81b5596198 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.28.1 (2024-05-11)
+
+Full Changelog: [v1.28.0...v1.28.1](https://github.com/openai/openai-python/compare/v1.28.0...v1.28.1)
+
+### Chores
+
+* **docs:** add SECURITY.md ([#1408](https://github.com/openai/openai-python/issues/1408)) ([119970a](https://github.com/openai/openai-python/commit/119970a31b67e88c623d50855290ccf3847c10eb))
+
 ## 1.28.0 (2024-05-09)
 
 Full Changelog: [v1.27.0...v1.28.0](https://github.com/openai/openai-python/compare/v1.27.0...v1.28.0)
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000000..c54acaf331
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,29 @@
+# Security Policy
+
+## Reporting Security Issues
+
+This SDK is generated by [Stainless Software Inc](http://stainlessapi.com). Stainless takes security seriously, and encourages you to report any security vulnerability promptly so that appropriate action can be taken.
+
+To report a security issue, please contact the Stainless team at security@stainlessapi.com.
+
+## Responsible Disclosure
+
+We appreciate the efforts of security researchers and individuals who help us maintain the security of
+SDKs we generate. If you believe you have found a security vulnerability, please adhere to responsible
+disclosure practices by allowing us a reasonable amount of time to investigate and address the issue
+before making any information public.
+
+## Reporting Non-SDK Related Security Issues
+
+If you encounter security issues that are not directly related to SDKs but pertain to the services
+or products provided by OpenAI please follow the respective company's security reporting guidelines.
+
+### OpenAI Terms and Policies
+
+Our Security Policy can be found at [Security Policy URL](https://openai.com/policies/coordinated-vulnerability-disclosure-policy).
+
+Please contact disclosure@openai.com for any questions or concerns regarding security of our services.
+
+---
+
+Thank you for helping us keep the SDKs and systems they interact with secure.
diff --git a/pyproject.toml b/pyproject.toml
index 1295864815..3a2351761d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.28.0"
+version = "1.28.1"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openai/_version.py b/src/openai/_version.py
index eaeadf5932..893c4e49a2 100644
--- a/src/openai/_version.py
+++ b/src/openai/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "openai"
-__version__ = "1.28.0"  # x-release-please-version
+__version__ = "1.28.1"  # x-release-please-version