diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68c9b39..2b4d127 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to OpenEMC 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).
 
+## 0.6.6 - 2023-08-19
+### Added
+- standby entry support from bootloader
+### Changed
+- STUSB4500: avoid soft reset when PDO is unchanged
+- Supply: reduce max current during negotiation
+
 ## 0.6.5 - 2023-06-26
 ### Fixed
 - set input current limit to zero if BQ25713 CHRG_OK pin is low 
diff --git a/openemc-firmware/Cargo.lock b/openemc-firmware/Cargo.lock
index 3c04ed8..e44deb8 100644
--- a/openemc-firmware/Cargo.lock
+++ b/openemc-firmware/Cargo.lock
@@ -309,7 +309,7 @@ checksum = "546c37ac5d9e56f55e73b677106873d9d9f5190605e41a856503623648488cae"
 
 [[package]]
 name = "openemc-firmware"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "cortex-m",
  "cortex-m-rt",
diff --git a/openemc-firmware/Cargo.toml b/openemc-firmware/Cargo.toml
index 2f72efe..ea57a15 100644
--- a/openemc-firmware/Cargo.toml
+++ b/openemc-firmware/Cargo.toml
@@ -3,7 +3,7 @@ name = "openemc-firmware"
 description = "OpenEMC Firmware"
 authors = ["Sebastian Urban <surban@surban.net>"]
 license = "GPL-3.0"
-version = "0.6.5"
+version = "0.6.6"
 publish = false
 edition = "2021"