diff --git a/.github/workflows/test-packages.yml b/.github/workflows/test-packages.yml
index ec258bfb..1cfa046a 100644
--- a/.github/workflows/test-packages.yml
+++ b/.github/workflows/test-packages.yml
@@ -18,7 +18,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - uses: actions/checkout@v3
         with:
-          ref: v2023.12.0
+          ref: v2023.12.1
         name: Get latest Symfem version
       - run: rm -rf symfem VERSION
         name: Remove downloaded symfem
@@ -51,7 +51,7 @@ jobs:
           activate-environment: symfem
       - uses: actions/checkout@v3
         with:
-          ref: v2023.12.0
+          ref: v2023.12.1
         name: Get latest Symfem version
       - run: rm -rf symfem VERSION
         name: Remove downloaded symfem
@@ -82,7 +82,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: |
-          wget -O symfem.tar.gz https://pypi.io/packages/source/s/symfem/symfem-2023.12.0.tar.gz
+          wget -O symfem.tar.gz https://pypi.io/packages/source/s/symfem/symfem-2023.12.1.tar.gz
           tar -xvzf symfem.tar.gz
         name: Download and unpack latest version of Symfem
       - name: Install LaTeΧ
@@ -92,7 +92,7 @@ jobs:
       - run: pip install pytest
         name: Install pytest
       - run: |
-          cd symfem-2023.12.0
+          cd symfem-2023.12.1
           pip install .[optional]
           python3 -m pytest test/
         name: Install requirements, run tests and demos
diff --git a/CHANGELOG_SINCE_LAST_VERSION.md b/CHANGELOG_SINCE_LAST_VERSION.md
index e69de29b..f421d0a4 100644
--- a/CHANGELOG_SINCE_LAST_VERSION.md
+++ b/CHANGELOG_SINCE_LAST_VERSION.md
@@ -0,0 +1 @@
+- Release to test new workflow
diff --git a/CITATION.cff b/CITATION.cff
index a4bb2368..cc29ff28 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -5,8 +5,8 @@ authors:
     given-names: Matthew W.
     orcid: 0000-0002-4658-2443
 title: Symfem
-version: 2023.12.0
-date-released: 2023-12-15
+version: 2023.12.1
+date-released: 2023-12-18
 license: MIT
 url: https://github.com/mscroggs/symfem
 preferred-citation:
diff --git a/VERSION b/VERSION
index aa240b72..5f73c59e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2023.12.0
\ No newline at end of file
+2023.12.1
\ No newline at end of file
diff --git a/codemeta.json b/codemeta.json
index 0b35e7d7..bbffc4fb 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -1 +1 @@
-{"@context": "https://raw.githubusercontent.com/codemeta/codemeta/master/codemeta.jsonld", "@type": "Code", "author": [{"@id": "0000-0002-4658-2443", "@type": "Person", "email": "mws48@cam.ac.uk", "name": "Matthew Scroggs", "affiliation": "Department of Engineering, University of Cambridge"}], "identifier": "", "codeRepository": "https://github.com/mscroggs/symfem", "datePublished": "2021-01-23", "dateModified": "2023-12-15", "dateCreated": "2021-01-23", "description": "A symbolic finite element definition library", "keywords": "Python, finite element method, numerical analysis", "license": "MIT", "title": "Symfem", "version": "2023.12.0"}
\ No newline at end of file
+{"@context": "https://raw.githubusercontent.com/codemeta/codemeta/master/codemeta.jsonld", "@type": "Code", "author": [{"@id": "0000-0002-4658-2443", "@type": "Person", "email": "mws48@cam.ac.uk", "name": "Matthew Scroggs", "affiliation": "Department of Engineering, University of Cambridge"}], "identifier": "", "codeRepository": "https://github.com/mscroggs/symfem", "datePublished": "2021-01-23", "dateModified": "2023-12-18", "dateCreated": "2021-01-23", "description": "A symbolic finite element definition library", "keywords": "Python, finite element method, numerical analysis", "license": "MIT", "title": "Symfem", "version": "2023.12.1"}
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 51922d86..2ff65c98 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "symfem"
-version = "2023.12.0"
+version = "2023.12.1"
 description = "a symbolic finite element definition library"
 readme = "README.md"
 requires-python = ">=3.8.0"
diff --git a/symfem/version.py b/symfem/version.py
index d89ab26c..0a740986 100644
--- a/symfem/version.py
+++ b/symfem/version.py
@@ -1,3 +1,3 @@
 """Version number."""
 
-version = "2023.12.0"
+version = "2023.12.1"