diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9209989..515ce06e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.8.1](https://github.com/GoogleCloudPlatform/functions-framework-python/compare/v3.8.0...v3.8.1) (2024-07-26)
+
+
+### Bug Fixes
+
+* upgrade gunicorn to 22 to fix CVE-2024-1135 ([#341](https://github.com/GoogleCloudPlatform/functions-framework-python/issues/341)) ([d622f13](https://github.com/GoogleCloudPlatform/functions-framework-python/commit/d622f137e8a2419fc487c867d67e12d0204b586b))
+
 ## [3.8.0](https://github.com/GoogleCloudPlatform/functions-framework-python/compare/v3.7.0...v3.8.0) (2024-06-25)
 
 
diff --git a/setup.py b/setup.py
index 6cfa3fec..e89e6296 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
 
 setup(
     name="functions-framework",
-    version="3.8.0",
+    version="3.8.1",
     description="An open source FaaS (Function as a service) framework for writing portable Python functions -- brought to you by the Google Cloud Functions team.",
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -53,7 +53,7 @@
         "flask>=1.0,<4.0",
         "click>=7.0,<9.0",
         "watchdog>=1.0.0",
-        "gunicorn>=19.2.0; platform_system!='Windows'",
+        "gunicorn>=22.0.0; platform_system!='Windows'",
         "cloudevents>=1.2.0,<2.0.0",
         "Werkzeug>=0.14,<4.0.0",
     ],