diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c83b62f..44ce2109 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,13 @@ 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).
 
-## [Unreleased](https://github.com/HubSpot/hubspot-api-python/compare/v8.1.0...HEAD)
+## [Unreleased](https://github.com/HubSpot/hubspot-api-python/compare/v8.1.1...HEAD)
 
+## [8.1.1](https://github.com/HubSpot/hubspot-api-python/compare/v8.1.0...v8.1.1) - 2023-09-25
+
+## Fix
+
+- fix initializing `developer_hapikey`
 
 ## [8.1.0](https://github.com/HubSpot/hubspot-api-python/compare/v8.0.0...v8.1.0) - 2023-08-07
 
diff --git a/VERSION b/VERSION
index 8104cabd..0e791524 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.1.0
+8.1.1