diff --git a/.github/workflows/release-action.yaml b/.github/workflows/release-action.yaml
index 44f326739..8cbaa5f4f 100644
--- a/.github/workflows/release-action.yaml
+++ b/.github/workflows/release-action.yaml
@@ -2,9 +2,8 @@ name: Publish Python 🐍 distribution 📦 to PyPI and TestPyPI
 
 on:
   workflow_dispatch:
-  pull_request:
-    branches:
-      - main
+  release:
+    types: [published, prereleased]
 
 jobs:
   build:
@@ -34,7 +33,9 @@ jobs:
   publish-to-pypi:
     name: >-
       Publish Python 🐍 distribution 📦 to PyPI
-    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    if: >
+      startsWith(github.ref, 'refs/tags/') &&
+      !contains(github.ref, 'rc')
     needs:
     - build
     runs-on: ubuntu-latest
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd9d7180c..3269d5696 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Features
 
+## Bug Fixes
+
+# [v23.12](https://github.com/pybop-team/PyBOP/tree/v23.12) - 2023-12-19
+## Features
+
 - [#141](https://github.com/pybop-team/PyBOP/pull/141) - Adds documentation with Sphinx and PyData Sphinx Theme. Updates docstrings across package, relocates `costs` and `dataset` to top-level of package. Adds noxfile session and deployment workflow for docs.
 - [#131](https://github.com/pybop-team/PyBOP/issues/131) - Adds `SciPyDifferentialEvolution` optimiser, adds functionality for user-selectable maximum iteration limit to `SciPyMinimize`, `NLoptOptimize`, and `BaseOptimiser` classes.
 - [#107](https://github.com/pybop-team/PyBOP/issues/107) - Adds Equivalent Circuit Model (ECM) with examples, Import/Export parameter methods `ParameterSet.import_parameter` and `ParameterSet.export_parameters`, updates default FittingProblem.signal definition to `"Voltage [V]"`, and testing infrastructure
diff --git a/CITATION.cff b/CITATION.cff
index e1efab891..11ce822fd 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -11,4 +11,5 @@ authors:
     family-names: Courtier
   - given-names: David
     family-names: Howey
+version: "23.12" # Update this when you release a new version
 repository-code: 'https://www.github.com/pybop-team/pybop'
diff --git a/pybop/version.py b/pybop/version.py
index 915a9aedb..f3d58cf85 100644
--- a/pybop/version.py
+++ b/pybop/version.py
@@ -1 +1 @@
-__version__ = "23.11"
+__version__ = "23.12"