diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7b0e962..966fbcd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,27 +9,30 @@ on:
     types:
       - published
 
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v3
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.13
-          cache: pip
-      - run: pip install --upgrade pre-commit
+          python-version-file: "pyproject.toml"
+      - run: uv pip install --upgrade pre-commit
       - run: pre-commit run --all-files
 
   test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v3
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.13
-          cache: pip
-      - run: pip install . && pip install -r requirements-dev.txt
+          python-version-file: "pyproject.toml"
+      - run: uv sync
       - run: python -m unittest
         working-directory: ./tests
 
@@ -37,11 +40,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v3
       - uses: actions/setup-python@v5
         with:
           python-version: 3.8
           cache: pip
-      - run: pip install . && pip install -r requirements-dev.txt && pip install 'rdflib==6.3.0'
+      - run: uv sync --resolution lowest-direct
       - run: python -m unittest
         working-directory: ./tests
 
@@ -49,11 +53,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v3
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.13
-          cache: pip
-      - run: pip install -e . && pip install pytest pytest-cov -r requirements-dev.txt
+          python-version-file: "pyproject.toml"
+      - run: uv sync --extra coverage
       - run: pytest --cov --cov-report=xml
       - uses: codecov/codecov-action@v4
         with:
@@ -69,10 +73,10 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v3
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.13
-          cache: pip
-      - run: pip install build
+          python-version-file: "pyproject.toml"
+      - run: uv pip install build
       - run: python -m build --sdist --wheel --outdir dist/ .
       - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/pyproject.toml b/pyproject.toml
index fdcf93d..4913c71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,10 @@ name = "oxrdflib"
 readme = "README.md"
 requires-python = ">=3.8"
 
+[project.optional-dependencies]
+coverage = ["pytest", "pytest-cov"]
+dev = ["requests"]
+
 [project.entry-points."rdf.plugins.store"]
 Oxigraph = "oxrdflib.store:OxigraphStore"
 oxigraph = "oxrdflib.store:OxigraphStore"
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index f229360..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1 +0,0 @@
-requests