diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..b5eea3f
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,37 @@
+name: Release
+
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - closed
+
+permissions:
+  contents: read
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.merged == true
+    environment:
+      name: pypi
+      url: https://pypi.org/project/zotlib/
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Set up Python 3.14
+        run: uv python install 3.14
+
+      - name: Package project
+        run: uv build
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/pyproject.toml b/pyproject.toml
index 31315e7..5cd2925 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "zotlib"
-version = "0.4.1"
+version = "0.4.2"
 description = "Extract and format bibliographic data from Zotero databases"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/uv.lock b/uv.lock
index 71f9af3..f2d6ed6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1080,7 +1080,7 @@ wheels = [
 
 [[package]]
 name = "zotlib"
-version = "0.4.1"
+version = "0.4.2"
 source = { editable = "." }
 dependencies = [
     { name = "pillow" },
diff --git a/zotlib/__init__.py b/zotlib/__init__.py
index 35af45a..e4c780c 100644
--- a/zotlib/__init__.py
+++ b/zotlib/__init__.py
@@ -1,6 +1,6 @@
 """Zotlib - Extract and format bibliographic data from Zotero databases."""
 
-__version__ = "0.4.1"
+__version__ = "0.4.2"
 
 from zotlib.database import ZoteroDatabase
 from zotlib.extractors import (