diff --git a/CHANGELOG.md b/CHANGELOG.md
index a81d20b2971..709bf13222c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres Fto [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [6.0.0-dev12]
+
+[6.0.0-dev12]: https://github.com/microsoft/CCF/releases/tag/6.0.0-dev12
+
+### Dependencies
+
+- nghttp2 is now picked up from the OS rather than vendored to enable libcurl usage
+- Misc dependency updates (#6725)
+
 ## [6.0.0-dev11]
 
 [6.0.0-dev11]: https://github.com/microsoft/CCF/releases/tag/6.0.0-dev11
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 8dbeb535e67..5df352ad5b4 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ccf"
-version = "6.0.0-dev11"
+version = "6.0.0-dev12"
 authors = [
   { name="CCF Team", email="CCF-Sec@microsoft.com" },
 ]