diff --git a/.pytest.toml b/.pytest.toml
index 927999eb..2fa361e1 100644
--- a/.pytest.toml
+++ b/.pytest.toml
@@ -1,9 +1,5 @@
 [pytest]
 addopts = [
-    "--cov=ahriman",
-    "--cov-report=term-missing:skip-covered",
-    "--no-cov-on-fail",
-    "--cov-fail-under=100",
     "--spec",
 ]
 asyncio_default_fixture_loop_scope = "function"
diff --git a/pyproject.toml b/pyproject.toml
index 6266b7e6..cb7a9ce0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,9 +44,9 @@ docs = [
     "sphinx-rtd-theme>=1.1.1",  # https://stackoverflow.com/a/74355734
 ]
 tests = [
+    "coverage",
     "pytest",
     "pytest-aiohttp",
-    "pytest-cov",
     "pytest-helpers-namespace",
     "pytest-mock",
     "pytest-resource-path",
diff --git a/tools/pytest_plugins/__init__.py b/tools/pytest_plugins/__init__.py
new file mode 100644
index 00000000..27574990
--- /dev/null
+++ b/tools/pytest_plugins/__init__.py
@@ -0,0 +1 @@
+"""Repository-local pytest plugins."""
diff --git a/conftest.py b/tools/pytest_plugins/ahriman_fixtures.py
similarity index 98%
rename from conftest.py
rename to tools/pytest_plugins/ahriman_fixtures.py
index 1c99df78..5d8542f7 100644
--- a/conftest.py
+++ b/tools/pytest_plugins/ahriman_fixtures.py
@@ -41,7 +41,6 @@ T = TypeVar("T")
 
 # helpers
 # https://stackoverflow.com/a/21611963
-@pytest.helpers.register
 def anyvar(cls: type[T], strict: bool = False) -> T:
     """
     any value helper for mocker calls check
@@ -73,7 +72,6 @@ def anyvar(cls: type[T], strict: bool = False) -> T:
     return AnyVar()
 
 
-@pytest.helpers.register
 def get_package_status(package: Package) -> dict[str, Any]:
     """
     helper to extract package status from package
@@ -87,7 +85,6 @@ def get_package_status(package: Package) -> dict[str, Any]:
     return {"status": BuildStatusEnum.Unknown.value, "package": package.view()}
 
 
-@pytest.helpers.register
 def get_package_status_extended(package: Package) -> dict[str, Any]:
     """
     helper to extract package status from package
@@ -101,7 +98,6 @@ def get_package_status_extended(package: Package) -> dict[str, Any]:
     return {"status": BuildStatus().view(), "package": package.view()}
 
 
-@pytest.helpers.register
 def import_error(package: str, components: list[str], mocker: MockerFixture) -> MagicMock:
     """
     mock import error
@@ -125,6 +121,15 @@ def import_error(package: str, components: list[str], mocker: MockerFixture) ->
     return mocker.patch.object(builtins, "__import__", test_import)
 
 
+@pytest.hookimpl(trylast=True)
+def pytest_configure() -> None:
+    """
+    register helpers after pytest-helpers-namespace has initialized
+    """
+    for helper in (anyvar, get_package_status, get_package_status_extended, import_error):
+        pytest.helpers.register(helper)
+
+
 # generic fixtures
 @pytest.fixture(autouse=True)
 def register_log_context() -> None:
diff --git a/tools/pytest_plugins/pyproject.toml b/tools/pytest_plugins/pyproject.toml
new file mode 100644
index 00000000..c4715ae7
--- /dev/null
+++ b/tools/pytest_plugins/pyproject.toml
@@ -0,0 +1,18 @@
+[build-system]
+requires = [
+    "hatchling",
+]
+build-backend = "hatchling.build"
+
+[project]
+name = "ahriman-pytest-plugins"
+version = "1"
+classifiers = [
+    "Framework :: Pytest",
+]
+
+[project.entry-points.pytest11]
+ahriman-fixtures = "ahriman_fixtures"
+
+[tool.hatch.build.targets.wheel]
+packages = ["."]
diff --git a/tox.toml b/tox.toml
index 03d8365c..35cc9ff2 100644
--- a/tox.toml
+++ b/tox.toml
@@ -335,11 +335,17 @@ dependency_groups = [
 ]
 deps = [
     { replace = "ref", of = ["project", "extras"], extend = true },
+    "./tools/pytest_plugins",
 ]
 pip_pre = true
 set_env.CFLAGS = "-Wno-unterminated-string-initialization"
 commands = [
     [
+        "coverage",
+        "run",
+        "--source",
+        "ahriman",
+        "-m",
         "pytest",
         "tests/test_tests.py",
         "ahriman-core/tests",
@@ -347,6 +353,13 @@ commands = [
         "ahriman-web/tests",
         { replace = "posargs", extend = true },
     ],
+    [
+        "coverage",
+        "report",
+        "--show-missing",
+        "--skip-covered",
+        "--fail-under=100",
+    ],
 ]
 
 [env.version]