diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 67fa10d..c21e07b 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -8,23 +8,23 @@ on:
 
 env:
   PYTHON_VERSION: "3.12"
+  SHARDS: 4
 
 jobs:
-  benchmarks-instrumentation:
+  benchmarks:
     strategy:
       matrix:
-        include:
-          - mode: "instrumentation"
-            runs-on: ubuntu-24.04
-          - mode: "walltime"
-            runs-on: codspeed-macro
+        shard: [1, 2, 3, 4]
+        mode: ["instrumentation", "walltime"]
 
-    name: Run ${{ matrix.mode }} benchmarks
-    runs-on: ${{ matrix.runs-on }}
+    name: "Run ${{ matrix.mode }} benchmarks (Shard #${{ matrix.shard }})"
+    runs-on: ${{ matrix.mode == 'instrumentation' && 'ubuntu-24.04' || 'codspeed-macro' }}
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: "recursive"
+      - name: Install required-version defined in uv.toml
+        uses: astral-sh/setup-uv@v5
       - uses: actions/setup-python@v2
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -32,10 +32,18 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install valgrind -y
-          pip install .
+          uv sync --dev
           sudo apt-get remove valgrind -y
       - name: Run benchmarks
         uses: CodSpeedHQ/action@main
         with:
-          run: pytest tests/benchmarks/ --codspeed
+          mode: ${{ matrix.mode }}
+          run: uv run pytest tests/benchmarks/ --codspeed --test-group=${{ matrix.shard }} --test-group-count=${{ env.SHARDS }}
           token: ${{ secrets.CODSPEED_TOKEN }}
+
+  all-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "All CI checks passed."
+    needs:
+      - benchmarks
diff --git a/pyproject.toml b/pyproject.toml
index 7d1ed88..811dadf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,19 +37,24 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-lint = ["mypy ~= 1.11.2", "ruff ~= 0.11.12"]
 compat = [
     "pytest-benchmark ~= 5.0.0",
     "pytest-xdist ~= 3.6.1",
     # "pytest-speed>=0.3.5",
 ]
-test = ["pytest ~= 7.0", "pytest-cov ~= 4.0.0"]
 
 [tool.uv.sources]
 pytest-codspeed = { workspace = true }
 
 [dependency-groups]
-dev = ["pytest-codspeed"]
+dev = [
+    "pytest-codspeed",
+    "mypy ~= 1.11.2",
+    "ruff ~= 0.11.12",
+    "pytest ~= 7.0",
+    "pytest-cov ~= 4.0.0",
+    "pytest-test-groups>=1.1.0",
+]
 
 [project.entry-points]
 pytest11 = { codspeed = "pytest_codspeed.plugin" }
diff --git a/uv.lock b/uv.lock
index 0a56fed..cc69240 100644
--- a/uv.lock
+++ b/uv.lock
@@ -346,36 +346,36 @@ compat = [
     { name = "pytest-benchmark" },
     { name = "pytest-xdist" },
 ]
-lint = [
-    { name = "mypy" },
-    { name = "ruff" },
-]
-test = [
-    { name = "pytest" },
-    { name = "pytest-cov" },
-]
 
 [package.dev-dependencies]
 dev = [
+    { name = "mypy" },
+    { name = "pytest" },
     { name = "pytest-codspeed" },
+    { name = "pytest-cov" },
+    { name = "pytest-test-groups" },
+    { name = "ruff" },
 ]
 
 [package.metadata]
 requires-dist = [
     { name = "cffi", specifier = ">=1.17.1" },
     { name = "importlib-metadata", marker = "python_full_version < '3.10'", specifier = ">=8.5.0" },
-    { name = "mypy", marker = "extra == 'lint'", specifier = "~=1.11.2" },
     { name = "pytest", specifier = ">=3.8" },
-    { name = "pytest", marker = "extra == 'test'", specifier = "~=7.0" },
     { name = "pytest-benchmark", marker = "extra == 'compat'", specifier = "~=5.0.0" },
-    { name = "pytest-cov", marker = "extra == 'test'", specifier = "~=4.0.0" },
     { name = "pytest-xdist", marker = "extra == 'compat'", specifier = "~=3.6.1" },
     { name = "rich", specifier = ">=13.8.1" },
-    { name = "ruff", marker = "extra == 'lint'", specifier = "~=0.11.12" },
 ]
 
 [package.metadata.requires-dev]
-dev = [{ name = "pytest-codspeed", editable = "." }]
+dev = [
+    { name = "mypy", specifier = "~=1.11.2" },
+    { name = "pytest", specifier = "~=7.0" },
+    { name = "pytest-codspeed", editable = "." },
+    { name = "pytest-cov", specifier = "~=4.0.0" },
+    { name = "pytest-test-groups", specifier = ">=1.1.0" },
+    { name = "ruff", specifier = "~=0.11.12" },
+]
 
 [[package]]
 name = "pytest-cov"
@@ -390,6 +390,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/fe/1f/9ec0ddd33bd2b37d6ec50bb39155bca4fe7085fa78b3b434c05459a860e3/pytest_cov-4.0.0-py3-none-any.whl", hash = "sha256:2feb1b751d66a8bd934e5edfa2e961d11309dc37b73b0eabe73b5945fee20f6b", size = 21554 },
 ]
 
+[[package]]
+name = "pytest-test-groups"
+version = "1.2.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "pytest" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/9f/5a/c7874fe15e03d86a1109a3274b57a2473edb8a1dda4a4d27f25d848b6ff5/pytest_test_groups-1.2.1.tar.gz", hash = "sha256:67576b295522fc144b3a42fa1801f50ae962389e984b48bab4336686d09032f1", size = 8137 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/31/ff/7ff0ca5e8051931bf7fb65e31f085f7c0577615bf3a4776fb583cb471800/pytest_test_groups-1.2.1-py3-none-any.whl", hash = "sha256:8c7a016448f9ad347fb69a62f417f0a2358ecbf129fe44bc44ee991918a0bb73", size = 5278 },
+]
+
 [[package]]
 name = "pytest-xdist"
 version = "3.6.1"