diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3908dacafb..a1c5cf2264 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # [Unreleased](https://github.com/pybamm-team/PyBaMM/)
 
+# [v23.4](https://github.com/pybamm-team/PyBaMM/tree/v23.4) - 2023-04-30
+
 # Features
 
 - Added verbose logging to `pybamm.print_citations()` and citation tags for the `pybamm.Citations` class so that users can now see where the citations were registered when running simulations ([#2862](https://github.com/pybamm-team/PyBaMM/pull/2862))
diff --git a/CITATION.cff b/CITATION.cff
index ae1b7c73ba..d1443f50da 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -24,6 +24,6 @@ keywords:
   - "expression tree"
   - "python"
   - "symbolic differentiation"
-version: "23.3"
+version: "23.4"
 repository-code: "https://github.com/pybamm-team/PyBaMM"
 title: "Python Battery Mathematical Modelling (PyBaMM)"
diff --git a/docs/conf.py b/docs/conf.py
index 0707ffbcaf..3998ad1a22 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 author = "The PyBaMM Team"
 
 # The short X.Y version
-version = "23.3"
+version = "23.4"
 # The full version, including alpha/beta/rc tags
 release = version
 
diff --git a/docs/source/_static/versions.json b/docs/source/_static/versions.json
index 8c4282ee6c..6f0f448c54 100644
--- a/docs/source/_static/versions.json
+++ b/docs/source/_static/versions.json
@@ -1 +1 @@
-[{"name": "latest", "version": "latest", "url": "https://pybamm.readthedocs.io/en/latest/"}, {"name": "stable", "version": "stable", "url": "https://pybamm.readthedocs.io/en/stable/"}, {"version": "v23.3", "url": "https://pybamm.readthedocs.io/en/v23.3/"}, {"version": "v23.2", "url": "https://pybamm.readthedocs.io/en/v23.2/"}, {"version": "v23.1", "url": "https://pybamm.readthedocs.io/en/v23.1/"}, {"version": "v22.12", "url": "https://pybamm.readthedocs.io/en/v22.12/"}, {"version": "v22.11.1", "url": "https://pybamm.readthedocs.io/en/v22.11.1/"}, {"version": "v22.11", "url": "https://pybamm.readthedocs.io/en/v22.11/"}, {"version": "v22.10", "url": "https://pybamm.readthedocs.io/en/v22.10/"}, {"version": "v22.9", "url": "https://pybamm.readthedocs.io/en/v22.9/"}, {"version": "v22.8", "url": "https://pybamm.readthedocs.io/en/v22.8/"}, {"version": "v22.7", "url": "https://pybamm.readthedocs.io/en/v22.7/"}, {"version": "v22.6", "url": "https://pybamm.readthedocs.io/en/v22.6/"}, {"version": "v22.5", "url": "https://pybamm.readthedocs.io/en/v22.5/"}, {"version": "v22.4", "url": "https://pybamm.readthedocs.io/en/v22.4/"}, {"version": "v22.3", "url": "https://pybamm.readthedocs.io/en/v22.3/"}, {"version": "v22.2", "url": "https://pybamm.readthedocs.io/en/v22.3/"}, {"version": "v22.1", "url": "https://pybamm.readthedocs.io/en/v22.1/"}, {"version": "v21.12", "url": "https://pybamm.readthedocs.io/en/v21.12/"}, {"version": "v21.11", "url": "https://pybamm.readthedocs.io/en/v21.11/"}, {"version": "v21.10", "url": "https://pybamm.readthedocs.io/en/v21.10/"}, {"version": "v21.9", "url": "https://pybamm.readthedocs.io/en/v21.9/"}, {"version": "v21.08", "url": "https://pybamm.readthedocs.io/en/v21.08/"}, {"version": "v0.4.0", "url": "https://pybamm.readthedocs.io/en/v0.4.0/"}, {"version": "v0.3.0", "url": "https://pybamm.readthedocs.io/en/v0.3.0/"}, {"version": "v0.2.3", "url": "https://pybamm.readthedocs.io/en/v0.2.3/"}, {"version": "v0.2.2", "url": "https://pybamm.readthedocs.io/en/v0.2.2/"}, {"version": "v0.2.1", "url": "https://pybamm.readthedocs.io/en/v0.2.1/"}, {"version": "v0.2.0", "url": "https://pybamm.readthedocs.io/en/v0.2.0/"}, {"version": "v0.1.0", "url": "https://pybamm.readthedocs.io/en/v0.1.0/"}]
\ No newline at end of file
+[{"name": "latest", "version": "latest", "url": "https://pybamm.readthedocs.io/en/latest/"}, {"name": "stable", "version": "stable", "url": "https://pybamm.readthedocs.io/en/stable/"}, {"version": "v23.4", "url": "https://pybamm.readthedocs.io/en/v23.4/"}, {"version": "v23.3", "url": "https://pybamm.readthedocs.io/en/v23.3/"}, {"version": "v23.2", "url": "https://pybamm.readthedocs.io/en/v23.2/"}, {"version": "v23.1", "url": "https://pybamm.readthedocs.io/en/v23.1/"}, {"version": "v22.12", "url": "https://pybamm.readthedocs.io/en/v22.12/"}, {"version": "v22.11.1", "url": "https://pybamm.readthedocs.io/en/v22.11.1/"}, {"version": "v22.11", "url": "https://pybamm.readthedocs.io/en/v22.11/"}, {"version": "v22.10", "url": "https://pybamm.readthedocs.io/en/v22.10/"}, {"version": "v22.9", "url": "https://pybamm.readthedocs.io/en/v22.9/"}, {"version": "v22.8", "url": "https://pybamm.readthedocs.io/en/v22.8/"}, {"version": "v22.7", "url": "https://pybamm.readthedocs.io/en/v22.7/"}, {"version": "v22.6", "url": "https://pybamm.readthedocs.io/en/v22.6/"}, {"version": "v22.5", "url": "https://pybamm.readthedocs.io/en/v22.5/"}, {"version": "v22.4", "url": "https://pybamm.readthedocs.io/en/v22.4/"}, {"version": "v22.3", "url": "https://pybamm.readthedocs.io/en/v22.3/"}, {"version": "v22.2", "url": "https://pybamm.readthedocs.io/en/v22.3/"}, {"version": "v22.1", "url": "https://pybamm.readthedocs.io/en/v22.1/"}, {"version": "v21.12", "url": "https://pybamm.readthedocs.io/en/v21.12/"}, {"version": "v21.11", "url": "https://pybamm.readthedocs.io/en/v21.11/"}, {"version": "v21.10", "url": "https://pybamm.readthedocs.io/en/v21.10/"}, {"version": "v21.9", "url": "https://pybamm.readthedocs.io/en/v21.9/"}, {"version": "v21.08", "url": "https://pybamm.readthedocs.io/en/v21.08/"}, {"version": "v0.4.0", "url": "https://pybamm.readthedocs.io/en/v0.4.0/"}, {"version": "v0.3.0", "url": "https://pybamm.readthedocs.io/en/v0.3.0/"}, {"version": "v0.2.3", "url": "https://pybamm.readthedocs.io/en/v0.2.3/"}, {"version": "v0.2.2", "url": "https://pybamm.readthedocs.io/en/v0.2.2/"}, {"version": "v0.2.1", "url": "https://pybamm.readthedocs.io/en/v0.2.1/"}, {"version": "v0.2.0", "url": "https://pybamm.readthedocs.io/en/v0.2.0/"}, {"version": "v0.1.0", "url": "https://pybamm.readthedocs.io/en/v0.1.0/"}]
\ No newline at end of file
diff --git a/pybamm/version.py b/pybamm/version.py
index 72e2b6cfd3..22f8f46f42 100644
--- a/pybamm/version.py
+++ b/pybamm/version.py
@@ -1 +1 @@
-__version__ = "23.3"
+__version__ = "23.4"
diff --git a/vcpkg.json b/vcpkg.json
index 8e44af9537..76a4c13755 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "pybamm",
-  "version-string": "23.3",
+  "version-string": "23.4",
   "dependencies": [
     "casadi",
     {