diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16705193..40b50bff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!--next-version-placeholder-->
 
+## v0.9.0 (2023-11-14)
+
+### Feature
+
+* Model signal helpers ([#19](https://github.com/ocadotechnology/codeforlife-package-python/issues/19)) ([`476c777`](https://github.com/ocadotechnology/codeforlife-package-python/commit/476c7774fc515960d97d8772e4355fdb9d3f8df9))
+
 ## v0.8.4 (2023-10-24)
 
 ### Fix
diff --git a/codeforlife/version.py b/codeforlife/version.py
index cf9396ec..b3afc998 100644
--- a/codeforlife/version.py
+++ b/codeforlife/version.py
@@ -1,3 +1,3 @@
 # Do NOT set manually!
 # This is auto-updated by python-semantic-release in the pipeline.
-__version__ = "0.8.4"
+__version__ = "0.9.0"