diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index e9e644a5..00000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: run-core-tests
-jobs:
-  test:
-    name: Install and test Core
-    strategy:
-      max-parallel: 4
-      matrix:
-        os: [macos-11]
-        python-version: [ 3.8, 3.9 ]
-      fail-fast: false
-    runs-on: ${{ matrix.os }}
-    if: github.event.pull_request.draft == false
-    env:
-      CP_MYSQL_TEST_HOST: "127.0.0.1"
-      CP_MYSQL_TEST_DB: "cellprofiler_test"
-      CP_MYSQL_TEST_USER: "root"
-      CP_MYSQL_TEST_PASSWORD: "None"
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
-        with:
-          architecture: x64
-          python-version: ${{ matrix.python-version }}
-      - name: Get pip cache dir
-        id: pip-cache-dir
-        run: |
-          echo "::set-output name=dir::$(pip cache dir)"
-      - name: Cache pip
-        uses: actions/cache@v3
-        id: cache-pip
-        with:
-          path: ${{ steps.pip-cache-dir.outputs.dir }}
-          key: ${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('**/setup.py') }}
-      - name: Install java
-        uses: actions/setup-java@v1
-        with:
-          java-version: '14.0.1' # The JDK version to make available on the path.
-          java-package: jdk
-          architecture: x64
-      - name: Mac - Install and setup mysql
-        if: startsWith(matrix.os, 'macos')
-        env:
-          LC_ALL: "en_US.UTF-8"
-        run: |
-          brew install mysql
-          mysql.server start
-          mysql --host=$CP_MYSQL_TEST_HOST --user=$CP_MYSQL_TEST_USER --execute="CREATE DATABASE $CP_MYSQL_TEST_DB;" --skip-password
-      - name: Installation
-        run:
-          |
-          pip install pyinstaller
-          pip install --upgrade pip setuptools wheel
-          pip install numpy>=1.20.1
-          # git clone https://github.com/CellProfiler/CellProfiler.git ~/cellprofiler
-          pip install -e .[test]
-          # pip install -e ~/cellprofiler
-      - name: Test
-        run: pytest -k 'not test_load_objects and not test_load_single_object'
-on:
-  pull_request:
-    types: [opened, reopened, synchronize, ready_for_review, review_requested]
-  push:
-    branches:
-      - 'master'
-  workflow_dispatch:
-
diff --git a/.github/workflows/upload.yml b/.github/workflows/upload.yml
index a2cc1006..44f430c9 100644
--- a/.github/workflows/upload.yml
+++ b/.github/workflows/upload.yml
@@ -1,24 +1,32 @@
-name: Upload
+name: Build
 on:
-  release:
-    types: [created]
+  push:
+  pull_request:
+
 jobs:
-  deploy:
+  build:
+    name: Build
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Setup Python
-      uses: actions/setup-python@v1
-      with:
-        python-version: '3.x'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install setuptools wheel twine
-    - name: Upload
-      env:
-        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-      run: |
-        python setup.py sdist bdist_wheel
-        twine upload dist/*
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.8'
+      - name: Build package
+        run: |
+          git fetch --prune --unshallow --tags --force
+          python -m pip install --upgrade pip
+          python -m pip install setuptools wheel
+          python setup.py sdist bdist_wheel
+      - name: Artifact upload
+        uses: actions/upload-artifact@v4
+        with:
+          path: dist/*.whl
+          retention-days: 30
+      - name: Create release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v2
+        with:
+          files: dist/*.whl
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}