diff --git a/CHANGELOG.md b/CHANGELOG.md
index 385dd1f68d4eae65f730a39c8368043fafebc6e1..bfe5ab339e37cf33732f96d9596f0229f1281357 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +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).
 
+## [6.5.0] - 2025-01-13
+
+### Changed
+
+- bumped default version of `poetry` used by mkdocs jobs to work around the
+  export plugin requiring a later version.
+
 ## [6.4.3] - 2024-12-13
 
 ### Fixed
diff --git a/python-common.yml b/python-common.yml
index 7d1caf8f26172fcc18d96f5e63e1fed429592850..7595536d002f6e5eaf79ff59537ea718d327d344 100644
--- a/python-common.yml
+++ b/python-common.yml
@@ -6,7 +6,7 @@ variables:
   PYTHON_IMAGE: registry.gitlab.developers.cam.ac.uk/uis/devops/infra/dockerimages/python:$PYTHON_VERSION-alpine
 
   # Default poetry version to use
-  PYTHON_POETRY_VERSION: "1.8.3"
+  PYTHON_POETRY_VERSION: "2.0.1"
 
 # A default set of python versions to test. This is usually the most recent three released versions. Note that adding a
 # new version here also requires that we add a new version to the common docker image repository project.