diff --git a/.github/workflows/dev-release-testpypi.yml b/.github/workflows/dev-release-testpypi.yml
new file mode 100644
index 0000000..02e5a17
--- /dev/null
+++ b/.github/workflows/dev-release-testpypi.yml
@@ -0,0 +1,86 @@
+name: Dev Release to TestPyPI
+
+on:
+  push:
+    branches: [dev]
+  workflow_dispatch:
+
+concurrency:
+  group: dev-release-testpypi
+  cancel-in-progress: false
+
+jobs:
+  dev-release-testpypi:
+    name: Create dev release and publish to TestPyPI
+    runs-on: ubuntu-latest
+
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/epics/
+
+    permissions:
+      contents: write
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+
+      - name: Read package version
+        id: version
+        run: |
+          VERSION=$(python - <<'PY'
+          import tomllib
+          with open("pyproject.toml", "rb") as f:
+              data = tomllib.load(f)
+          print(data["project"]["version"])
+          PY
+          )
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+          echo "tag=v$VERSION" >> "$GITHUB_OUTPUT"
+
+      - name: Check if release already exists
+        id: release_exists
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ steps.version.outputs.tag }}
+        run: |
+          if gh release view "$TAG" >/dev/null 2>&1; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+            echo "Release $TAG already exists. Skipping publish."
+          else
+            echo "exists=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create GitHub prerelease
+        if: steps.release_exists.outputs.exists == 'false'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ steps.version.outputs.tag }}
+          VERSION: ${{ steps.version.outputs.version }}
+        run: |
+          gh release create "$TAG" \
+            --target "$GITHUB_SHA" \
+            --prerelease \
+            --title "$TAG" \
+            --notes "Automated dev release for version $VERSION from dev branch."
+
+      - name: Install build dependencies
+        if: steps.release_exists.outputs.exists == 'false'
+        run: python -m pip install --upgrade build
+
+      - name: Build wheel and source distribution
+        if: steps.release_exists.outputs.exists == 'false'
+        run: python -m build
+
+      - name: Publish to TestPyPI
+        if: steps.release_exists.outputs.exists == 'false'
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
\ No newline at end of file
diff --git a/README.md b/README.md
index 5acfaf9..0e4ddda 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # PyEPICS
 
-<a href="https://doi.org/10.5281/zenodo.18648203"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.18648203.svg" alt="DOI"></a>
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.18648203.svg)](https://doi.org/10.5281/zenodo.18648203)
 [![CI](https://github.com/melekderman/PyEPICS/actions/workflows/test.yml/badge.svg)](https://github.com/melekderman/PyEPICS/actions/workflows/test.yml)
 [![Python 3.11+](https://img.shields.io/badge/python-3.11%2B-blue.svg)](https://www.python.org/downloads/)
 [![License: BSD-3](https://img.shields.io/badge/license-BSD--3--Clause-green.svg)](LICENSE)
diff --git a/pyproject.toml b/pyproject.toml
index 4b18139..87eddbd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "epics"
-version = "1.0.0"
+version = "1.0.1.dev1"
 description = "Python library for reading and converting EPICS (Electron Photon Interaction Cross Sections) nuclear data"
 readme = "README.md"
 license = {text = "BSD-3-Clause"}