diff --git a/.zenodo.json b/.zenodo.json
index 1b646763..742a9017 100755
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -1,8 +1,8 @@
 {
     "description": "<p>cashocs is a computational, adjoint-based shape optimization and optimal control software.</p>", 
     "license": "GPL-3.0+", 
-    "title": "cashocs v2.3.0",
-    "version": "v2.3.0",
+    "title": "cashocs v2.3.1",
+    "version": "v2.3.1",
     "upload_type": "software", 
     "creators": [
         {
diff --git a/cashocs/__init__.py b/cashocs/__init__.py
index 27153f5e..3b52889a 100755
--- a/cashocs/__init__.py
+++ b/cashocs/__init__.py
@@ -61,7 +61,7 @@
 from cashocs.nonlinear_solvers import picard_iteration
 from cashocs.nonlinear_solvers import snes_solve
 
-__version__ = "2.3.0"
+__version__ = "2.3.1"
 
 __citation__ = """
 @Article{Blauth2021cashocs,
diff --git a/docs/source/_static/version_switcher.json b/docs/source/_static/version_switcher.json
index d9593c2a..aa2323ba 100755
--- a/docs/source/_static/version_switcher.json
+++ b/docs/source/_static/version_switcher.json
@@ -6,7 +6,7 @@
     },
     {
         "name": "2.3 (stable)",
-        "version": "2.3.0",
+        "version": "2.3.1",
         "url": "https://cashocs.readthedocs.io/en/stable/",
         "preferred": true
     },
diff --git a/docs/source/conf.py b/docs/source/conf.py
index ebd300d0..a9baaef4 100755
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -28,7 +28,7 @@
 author = "Sebastian Blauth"
 
 # The full version, including alpha/beta/rc tags
-release = "2.3.0"
+release = "2.3.1"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 120428e7..c7fb9e05 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "cashocs"
-version = "2.3.0"
+version = "2.3.1"
 description = "Computational Adjoint-Based Shape Optimization and Optimal Control Software"
 readme = "README.rst"
 requires-python = ">=3.9"