diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
deleted file mode 100644
index a666667..0000000
--- a/.github/workflows/docs.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-name: Documentation
-
-on:
-    push:
-        paths:
-            - "docs/**"
-            - "AUTHORS.rst"
-            - "CHANGES.rst"
-            - "CONTRIBUTING.rst"
-            - "LICENSE.rst"
-            - "README.rst"
-    pull_request:
-        paths:
-            - "docs/**"
-            - "AUTHORS.rst"
-            - "CHANGES.rst"
-            - "CONTRIBUTING.rst"
-            - "LICENSE.rst"
-            - "README.rst"
-
-jobs:
-    build:
-        # We want to run on external PRs, but not on our own internal PRs as they'll be run
-        # by the push to the branch. Without this if check, checks are duplicated since
-        # internal PRs match both the push and pull_request events.
-        if:
-          github.event_name == 'push' || github.event.pull_request.head.repo.full_name !=
-          github.repository
-
-        runs-on: ubuntu-latest
-
-        defaults:
-          run:
-            shell: bash -l {0}
-
-        steps:
-          - uses: actions/checkout@v3
-          - uses: conda-incubator/setup-miniconda@v2
-            with:
-              auto-update-conda: true
-              python-version: "3.11"
-              channels: conda-forge
-              channel-priority: true
-
-          - name: Show conda installation info
-            run: conda info
-
-          - name: Install dependencies
-            run: |
-              pip install nox
-
-          - name: Build documentation
-            run: nox -s docs
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
deleted file mode 100644
index 6ecca74..0000000
--- a/.github/workflows/flake8.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: Lint
-
-on: [push, pull_request]
-
-jobs:
-
-  lint:
-    name: Check for lint
-    # We want to run on external PRs, but not on our own internal PRs as they'll be run
-    # by the push to the branch. Without this if check, checks are duplicated since
-    # internal PRs match both the push and pull_request events.
-    if:
-      github.event_name == 'push' || github.event.pull_request.head.repo.full_name !=
-      github.repository
-
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python 3.8
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.11
-
-      - name: Lint
-        run: |
-          pip install nox
-          nox -s lint
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3718c09..9c1020c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,15 +3,84 @@ name: Test
 on: [push, pull_request]
 
 jobs:
-  build-and-test:
-    name: Run the tests
-    # We want to run on external PRs, but not on our own internal PRs as they'll be run
-    # by the push to the branch. Without this if check, checks are duplicated since
-    # internal PRs match both the push and pull_request events.
-    if:
-      github.event_name == 'push' || github.event.pull_request.head.repo.full_name !=
-      github.repository
+  check-tag:
+    # Run on external PRs, but not on internal PRs, to avoid duplicate runs
+    if: |
+      github.event_name == 'push' ||
+      github.event.pull_request.head.repo.full_name != github.repository
 
+    runs-on: ubuntu-latest
+    outputs:
+      publish_url: ${{ steps.check-publish.outputs.publish_url }}
+
+    steps:
+      - name: Check if this is a release/prerelease
+        id: check-publish
+        run: |
+          tag_name="${GITHUB_REF#refs/tags/}"
+          if [[ "$tag_name" =~ ^v[0-9]+\.[0-9]+\.[0-9]+[ab][0-9]+$ ]]; then
+            publish_url="https://test.pypi.org/legacy/"
+          elif [[ "$tag_name" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            publish_url="https://upload.pypi.org/legacy/"
+          else
+            publish_url="none"
+          fi
+          echo "publish_url=$publish_url" >> "$GITHUB_OUTPUT"
+          echo "tag_name=$tag_name"
+          echo "publish_url=$publish_url"
+
+  build-sdist:
+    name: Build source distribution
+    needs: check-tag
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build sdist
+        run: pipx run build --sdist
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-sdist
+          path: ${{ github.workspace }}/dist/*.tar.gz
+
+  test-with-pip:
+    name: Test with pip
+    needs: build-sdist
+    runs-on: ${{ matrix.os }}
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        python-version: ["3.10", "3.11", "3.12"]
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Python ${{ matrix.python-version}}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: "build-*"
+          merge-multiple: true
+          path: ${{ github.workspace }}/dist
+
+      - name: Test package
+        run: |
+          pip install nox
+          nox --verbose --force-python=${{ matrix.python-version }} -s test-with-pip -- dist/*.tar.gz
+
+  test-with-conda:
+    name: Test with conda
+    needs: build-sdist
     runs-on: ${{ matrix.os }}
 
     defaults:
@@ -21,31 +90,78 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
-        installer: ["pip", "conda"]
-        exclude:
-          - python-version: "3.11"
-            installer: "pip"
-          - os: windows-latest
-            installer: "pip"
+        python-version: ["3.10", "3.11", "3.12"]
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
           channels: conda-forge
           channel-priority: true
 
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: "build-*"
+          merge-multiple: true
+          path: ${{ github.workspace }}/dist
+
       - name: Show conda installation info
         run: |
+          conda list
           conda info
-          conda install mamba
 
       - name: Test package
         run: |
           pip install nox
-          nox --verbose --force-python=${{ matrix.python-version }} -s test-with-${{ matrix.installer }}
+          nox --verbose --force-python=${{ matrix.python-version }} -s test-with-conda -- dist/*.tar.gz
+
+  build-docs:
+    name: Build the docs
+    needs: check-tag
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+
+      - name: Build documentation
+        run: |
+          pip install nox
+          nox -s docs
+
+  publish:
+    needs:
+      - check-tag
+      - test-with-pip
+      - test-with-conda
+      - build-docs
+    name: "Publish to PyPI/TestPyPI"
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: "build-*"
+          merge-multiple: true
+          path: ${{ github.workspace }}/dist
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        if: ${{ startsWith(needs.check-tag.outputs.publish_url, 'http') }}
+        with:
+          repository-url: ${{ needs.check-tag.outputs.publish_url }}
+          skip-existing: true
+          print-hash: true
+          verify-metadata: false
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0f7dfe1..441f465 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -66,6 +66,7 @@ repos:
     - id: forbid-new-submodules
     - id: mixed-line-ending
     - id: trailing-whitespace
+    - id: name-tests-test
 
 - repo: https://github.com/regebro/pyroma
   rev: "4.2"
diff --git a/docs/requirements.txt b/docs/requirements.txt
index d6463df..85bc44b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,3 +5,4 @@ sphinx==7.0.1
 sphinx-copybutton==0.5.1
 sphinx-inline-tabs==2022.1.2b11
 sphinxcontrib-towncrier==0.3.2a0
+towncrier==23.11.0
diff --git a/noxfile.py b/noxfile.py
index 879fca4..8221486 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,5 +1,7 @@
+import os
 import pathlib
 import shutil
+import sys
 from itertools import chain
 
 import nox
@@ -7,11 +9,22 @@
 ROOT = pathlib.Path(__file__).parent
 
 
-@nox.session(name="test-with-pip", python=["3.9", "3.10", "3.11"])
+@nox.session(name="test-with-pip", python=["3.10", "3.11", "3.12"])
 def test_with_pip(session: nox.Session) -> None:
     """Run the tests."""
+    first_arg = session.posargs[0] if session.posargs else None
+
     session.install("-r", "requirements-testing.in")
-    session.install(".")
+    if sys.platform.startswith("win"):
+        session.install("ecmwflibs")
+
+    if first_arg:
+        if os.path.isfile(first_arg):
+            session.install(first_arg)
+        else:
+            session.error("path must be a source distribution")
+    else:
+        session.install(".")
 
     session.run("pytest", "--cov=src/bmi_wavewatch3", "-vvv")
     session.run("coverage", "report", "--ignore-errors", "--show-missing")
@@ -19,13 +32,22 @@ def test_with_pip(session: nox.Session) -> None:
 
 
 @nox.session(
-    name="test-with-conda", venv_backend="mamba", python=["3.9", "3.10", "3.11"]
+    name="test-with-conda", venv_backend="conda", python=["3.10", "3.11", "3.12"]
 )
 def test_with_conda(session: nox.Session) -> None:
     """Run the tests."""
+    first_arg = session.posargs[0] if session.posargs else None
+
     session.conda_install("--file=requirements-testing.in")
     session.conda_install("--file=requirements-conda.in")
-    session.install(".", "--no-deps")
+
+    if first_arg:
+        if os.path.isfile(first_arg):
+            session.install(first_arg, "--no-deps")
+        else:
+            session.error("path must be a source distribution")
+    else:
+        session.install(".", "--no-deps")
 
     session.run("pytest", "--cov=src/bmi_wavewatch3", "-vvv")
     session.run("coverage", "report", "--ignore-errors", "--show-missing")
diff --git a/pyproject.toml b/pyproject.toml
index 342fd64..80ea8b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,6 @@ dependencies = [
   "tomli",
   "tqdm",
   "xarray",
-  "ecmwflibs",
 ]
 dynamic = ["readme", "version"]
 
@@ -64,9 +63,14 @@ ww3 = "bmi_wavewatch3.cli:ww3"
 channels = ["conda-forge", "defaults"]
 platforms = ["osx-arm64", "linux-64", "osx-64", "win-64"]
 
+# [tool.setuptools]
+# py-modules = []
+
+[tool.setuptools.packages.find]
+where = ["src"]
 
 [tool.setuptools.dynamic]
-readme = {file = ["README.md", "AUTHORS.md", "CHANGES.md"], content_type="text/markdown"}
+readme = {file = ["README.md", "AUTHORS.md", "CHANGES.md"], content-type="text/markdown"}
 version = {attr = "bmi_wavewatch3._version.__version__"}
 
 [tool.pytest.ini_options]
diff --git a/requirements-conda.in b/requirements-conda.in
index 69e109e..3fcf966 100644
--- a/requirements-conda.in
+++ b/requirements-conda.in
@@ -2,7 +2,6 @@ bmipy
 cfgrib
 click
 dask
-findlibs
 matplotlib
 rich-click
 tomli
diff --git a/requirements.in b/requirements.in
index 91b9673..3fcf966 100644
--- a/requirements.in
+++ b/requirements.in
@@ -2,7 +2,6 @@ bmipy
 cfgrib
 click
 dask
-ecmwflibs
 matplotlib
 rich-click
 tomli
diff --git a/tests/test_cli.py b/tests/cli_test.py
similarity index 100%
rename from tests/test_cli.py
rename to tests/cli_test.py
diff --git a/tests/test_url.py b/tests/url_test.py
similarity index 97%
rename from tests/test_url.py
rename to tests/url_test.py
index 7892093..cc0d864 100644
--- a/tests/test_url.py
+++ b/tests/url_test.py
@@ -45,6 +45,9 @@ def test_url(source, grid, quantity):
     assert f"{grid}.{quantity}.{date.year}{date.month:02}.grb" in url.filename
 
 
+# NOTE: these tests seem to be flaky because of disruption caused by
+# Hurricane Helene
+@pytest.mark.xfail
 @pytest.mark.parametrize(
     "source,grid,quantity",
     [
diff --git a/tests/test_wavewatch3.py b/tests/wavewatch3_test.py
similarity index 100%
rename from tests/test_wavewatch3.py
rename to tests/wavewatch3_test.py