diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..41e3295
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,43 @@
+name: Continuous Integration
+
+on:
+  pull_request:
+  merge_group:
+
+jobs:
+  launch-unit-tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        # Tracked via issue #77
+        # 3.6: Not available on ubuntu-22.04
+        # 3.7: Results in failures in `test_cli.py`
+        # 3.12: pkg_resources not supported
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cache Python dependencies
+        uses: actions/cache@v4
+        id: pip-cache
+        with:
+          path: ~/.cache/pip
+          key: pip-${{ matrix.python-version }}-${{ hashFiles('**/setup.py') }}
+          restore-keys: |
+            pip-${{ matrix.python-version }}-${{ hashFiles('**/setup.py') }}
+
+      - name: Install python dependencies
+        if: steps.pip-cache.outputs.cache-hit != 'true'
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .[dev]
+
+      - name: Run test
+        run: pytest
diff --git a/.github/workflows/tester.yml b/.github/workflows/tester.yml
deleted file mode 100644
index 5791056..0000000
--- a/.github/workflows/tester.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: unit-tests
-on:
-  pull_request:
-  merge_group:
-jobs:
-  launch-unit-tests:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        # Tracked via issue #77
-        # 3.6: Not available on ubuntu-22.04
-        # 3.7: Results in failures in `test_cli.py`
-        # 3.12: pkg_resources not supported
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-      - run: python -m venv env
-      - run: source env/bin/activate
-      - run: env/bin/pip install -e .
-      - run: env/bin/pip install pytest
-      - run: env/bin/pytest
diff --git a/Pipfile b/Pipfile
deleted file mode 100644
index 4a1d299..0000000
--- a/Pipfile
+++ /dev/null
@@ -1,15 +0,0 @@
-
-# pipenv is useful for developing local package in 
-# editable mode. See https://pypi.org/project/pipenv/
-
-[[source]]
-url = "https://pypi.org/simple"
-verify_ssl = true
-name = "pypi"
-
-[packages]
-dicom-anonymizer = {file = ".", editable = true}
-
-[dev-packages]
-pytest = "*"
-setuptools = "*"
diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index 6f2a918..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,43 +0,0 @@
-[project]
-name = "dicom_anonymizer"
-version = "1.0.12"
-authors = [
-  { name="Laurenn Lam", email="laurenn.lam@kitware.com" },
-]
-description = "Program to anonymize dicom files with default and custom rules"
-readme = "README.md"
-requires-python = ">=3.6"
-classifiers = [
-        "Development Status :: 3 - Alpha",
-        "Intended Audience :: Science/Research",
-        "Topic :: Software Development :: Build Tools",
-        "License :: OSI Approved :: BSD License",
-        "Natural Language :: English",
-        "Programming Language :: Python"
-]
-keywords = ["dicom", "anonymizer" , "medical"]
-
-dependencies = [
-  "pydicom",
-  "tqdm",
-]
-
-[project.optional-dependencies]
-dev = [
-  "pytest",
-  "setuptools", # Needed to load pydicom's test files
-  "bs4",
-  "fire",
-  "requests"
-]
-
-[project.scripts]
-dicom-anonymizer = "dicomanonymizer.anonymizer:main"
-
-[project.urls]
-"Homepage" = "https://github.com/KitwareMedical/dicom-anonymizer"
-"Bug Tracker" = "https://github.com/KitwareMedical/dicom-anonymizer/issues"
-
-[tool.setuptools.packages]
-find = {}  # Scanning implicit namespaces is active by default
-
diff --git a/setup.py b/setup.py
index 989276a..941e88e 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,23 @@
 setup(
     name='dicom_anonymizer',  # Required
     version='1.0.12',  # Required
+    author='Laurenn Lam',
+    author_email='laurenn.lam@kitware.com',
+    description="Program to anonymize dicom files with default and custom rules",
+    url="https://github.com/KitwareMedical/dicom-anonymizer",
+    project_urls={
+        "Bug Tracker": "https://github.com/KitwareMedical/dicom-anonymizer/issues",
+    },
+    classifiers=[
+        "Development Status :: 3 - Alpha",
+        "Intended Audience :: Science/Research",
+        "Topic :: Software Development :: Build Tools",
+        "License :: OSI Approved :: BSD License",
+        "Natural Language :: English",
+        "Programming Language :: Python"
+    ],
+    keywords=["dicom", "anonymizer", "medical"],
+    python_requires='>=3.6',
 
     packages=find_packages(),  # Required
 
@@ -25,6 +42,15 @@
     # installed, so they must be valid existing projects.
     #
     # For an analysis of "install_requires" vs pip's requirements files see:
-    # https://packaging.python.org/en/latest/requirements.html
+    # https://packaging.python.org/en/latest/guides/distributing-packages-using-setuptools/
     install_requires=['pydicom', 'tqdm'],  # Optional
+
+    extras_require={
+        'dev': [
+            "pytest",
+            "bs4",
+            "fire",
+            "requests"
+        ]
+    }
 )