diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index be80f9c..20bd8b9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,7 +20,7 @@ repos:
       - id: tox-ini-fmt
         args: ["-p", "fix"]
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "v2.4.3"
+    rev: "v2.5.0"
     hooks:
       - id: pyproject-fmt
   - repo: https://github.com/astral-sh/ruff-pre-commit
diff --git a/pyproject.toml b/pyproject.toml
index 36aaef5..e76d832 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,11 +41,25 @@ dynamic = [
 ]
 dependencies = [
   "packaging>=24.1",
-  "tox<5,>=4.21.2",
+  "tox>=4.21.2,<5",
   "typing-extensions>=4.12.2; python_version<'3.10'",
-  "uv<1,>=0.4.18",
+  "uv>=0.4.18,<1",
 ]
-optional-dependencies.testing = [
+urls.Changelog = "https://github.com/tox-dev/tox-uv/releases"
+urls.Documentation = "https://github.com/tox-dev/tox-uv#tox-uv"
+urls.Homepage = "https://github.com/tox-dev/tox-uv"
+urls.Source = "https://github.com/tox-dev/tox-uv"
+urls.Tracker = "https://github.com/tox-dev/tox-uv/issues"
+entry-points.tox.tox-uv = "tox_uv.plugin"
+
+[dependency-groups]
+dev = [
+  { include-group = "lint" },
+  { include-group = "pkg-meta" },
+  { include-group = "test" },
+  { include-group = "type" },
+]
+test = [
   "covdefaults>=2.3",
   "devpi-process>=1.0.2",
   "diff-cover>=9.2",
@@ -53,12 +67,9 @@ optional-dependencies.testing = [
   "pytest-cov>=5",
   "pytest-mock>=3.14",
 ]
-urls.Changelog = "https://github.com/tox-dev/tox-uv/releases"
-urls.Documentation = "https://github.com/tox-dev/tox-uv#tox-uv"
-urls.Homepage = "https://github.com/tox-dev/tox-uv"
-urls.Source = "https://github.com/tox-dev/tox-uv"
-urls.Tracker = "https://github.com/tox-dev/tox-uv/issues"
-entry-points.tox.tox-uv = "tox_uv.plugin"
+type = [ "mypy==1.11.2", { include-group = "test" } ]
+lint = [ "pre-commit-uv>=4.1.3" ]
+pkg-meta = [ "check-wheel-contents>=0.6", "twine>=5.1.1", "uv>=0.4.18" ]
 
 [tool.hatch]
 build.hooks.vcs.version-file = "src/tox_uv/version.py"
diff --git a/tox.ini b/tox.ini
index e9b1344..42884ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,8 +17,6 @@ skip_missing_interpreters = true
 description = run the unit tests with pytest under {base_python}
 package = wheel
 wheel_build_env = .pkg
-extras =
-    testing
 pass_env =
     DIFF_AGAINST
     PYTEST_*
@@ -32,6 +30,7 @@ commands =
       --junitxml {work_dir}{/}junit.{env_name}.xml \
       tests}
     diff-cover --compare-branch {env:DIFF_AGAINST:origin/main} {work_dir}{/}coverage.{env_name}.xml --fail-under 100
+dependency_groups = test
 
 [testenv:fix]
 description = format the code base to adhere to our styles, and complain about what we cannot do automatically
@@ -43,23 +42,19 @@ commands =
 
 [testenv:type]
 description = run type check on code base
-deps =
-    mypy==1.11.2
 commands =
     mypy src
     mypy tests
+dependency_groups = type
 
 [testenv:pkg_meta]
 description = check that the long description is valid
 skip_install = true
-deps =
-    check-wheel-contents>=0.6
-    twine>=5.1.1
-    uv>=0.4.18
 commands =
     uv build --sdist --wheel --out-dir {env_tmp_dir} .
     twine check {env_tmp_dir}{/}*
     check-wheel-contents --no-config {env_tmp_dir}
+dependency_groups = pkg-meta
 
 [testenv:dev]
 description = generate a DEV environment
@@ -67,3 +62,4 @@ package = editable
 commands =
     uv pip tree
     python -c 'import sys; print(sys.executable)'
+dependency_groups = dev