diff --git a/.gitignore b/.gitignore
index 68bc17f..2dc53ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -157,4 +157,4 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/
diff --git a/{{cookiecutter.package_name}}/pyproject.toml b/{{cookiecutter.package_name}}/pyproject.toml
index 4da52a3..d85911d 100644
--- a/{{cookiecutter.package_name}}/pyproject.toml
+++ b/{{cookiecutter.package_name}}/pyproject.toml
@@ -38,6 +38,7 @@ DJANGO_SETTINGS_MODULE="tests.settings"
 test = [
     "freezegun",
     "pytest",
+    "pytest-apiver @ git+https://github.com/reef-technologies/pytest_apiver.git",
     "pytest-asyncio",
 # COOKIECUTTER{%- if cookiecutter.is_django_package == "y" %}
     "pytest-django",
diff --git a/{{cookiecutter.package_name}}/tests/apiver_fixtures.py b/{{cookiecutter.package_name}}/tests/apiver_fixtures.py
deleted file mode 100644
index a171db6..0000000
--- a/{{cookiecutter.package_name}}/tests/apiver_fixtures.py
+++ /dev/null
@@ -1,105 +0,0 @@
-from __future__ import annotations
-
-import importlib.util
-import itertools
-import re
-from pathlib import Path
-
-import pytest
-
-
-def pytest_addoption(parser):
-    group = parser.getgroup("apiver", "Test API versions.")
-    group.addoption(
-        "--target-package-name",
-        action="store",
-        dest="target_package_name",
-        help="The name of the package to test API versions of.",
-    )
-    parser.addini(
-        "target_package_name",
-        help="The name of the package to test API versions of.",
-        default=None,
-    )
-
-
-def get_package_name(config) -> str:
-    package_name = config.getoption("target_package_name") or config.getini("target_package_name")
-    assert package_name, "The --target-package-name CLI option or target_package_name INI option is required."
-    return package_name
-
-
-def get_api_versions(package_name: str) -> list[int]:
-    versions = set()
-
-    package_spec = importlib.util.find_spec(package_name)
-    if not package_spec:
-        raise ValueError(f"Package {package_name=!r} not found. Possibly `--target-package-name` is incorrect.")
-    assert package_spec.origin
-    package_path = Path(package_spec.origin).parent
-
-    for apiver_package_path in itertools.chain(
-        package_path.glob("v*/__init__.py"),
-        package_path.glob("v*.py"),
-    ):
-        match = re.search(r"/_?v(\d+)(:?\.py|/__init__\.py)$", str(apiver_package_path))
-        if match:
-            versions.add(int(match.group(1)))
-    assert versions, f"No API versions found in {package_path!r}"
-    return sorted(versions)
-
-
-def pytest_generate_tests(metafunc):
-    if "apiver" in metafunc.fixturenames:
-        versions = metafunc.config.cache.get("apivers", None)
-        if versions is None:
-            package_name = get_package_name(metafunc.config)
-            versions = get_api_versions(package_name)
-            metafunc.config.cache.set("apivers", versions)
-        markers = [mark for mark in metafunc.definition.iter_markers(name="apiver")]
-        if markers:
-            applicable_versions = set()
-            for marker in markers:
-                for version in marker.args:
-                    if isinstance(version, tuple):
-                        applicable_versions.update(range(version[0], version[1] + 1))
-                    elif isinstance(version, int):
-                        applicable_versions.add(version)
-                for key, value in marker.kwargs.items():
-                    if key == "from_ver":
-                        applicable_versions.update(range(value, max(versions) + 1))
-                    elif key == "to_ver":
-                        applicable_versions.update(range(min(versions), value + 1))
-            applicable_versions = sorted(applicable_versions & set(versions))
-        else:
-            applicable_versions = versions
-        metafunc.parametrize("apiver", [f"v{ver}" for ver in applicable_versions])
-
-
-@pytest.fixture(scope="session")
-def apiver_tested_package_name(request):
-    return get_package_name(request.config)
-
-
-@pytest.fixture
-def apiver_int(apiver):
-    """Get apiver as an int, e.g., 2."""
-    return int(apiver[1:])
-
-
-@pytest.fixture
-def apiver_import(apiver, apiver_tested_package_name):
-    def importer(module_name: str | None = None):
-        module_name = (
-            f"{apiver_tested_package_name}.{apiver}.{module_name}"
-            if module_name
-            else f"{apiver_tested_package_name}.{apiver}"
-        )
-        return importlib.import_module(module_name)
-
-    return importer
-
-
-@pytest.fixture
-def apiver_deps(apiver_import):
-    return apiver_import()
diff --git a/{{cookiecutter.package_name}}/tests/conftest.py b/{{cookiecutter.package_name}}/tests/conftest.py
index 8ff1531..4dd6d9c 100644
--- a/{{cookiecutter.package_name}}/tests/conftest.py
+++ b/{{cookiecutter.package_name}}/tests/conftest.py
@@ -1,4 +1,3 @@
-from .apiver_fixtures import *  # noqa: F401, F403
 # COOKIECUTTER{%- if cookiecutter.is_django_package == "y" -%}
 from .django_fixtures import *  # noqa: F401, F403
 # COOKIECUTTER{%- endif %}
diff --git a/{{cookiecutter.package_name}}/tests/unit/api/test_setup.py b/{{cookiecutter.package_name}}/tests/unit/api/test_setup.py
index ed3afa8..4343b66 100644
--- a/{{cookiecutter.package_name}}/tests/unit/api/test_setup.py
+++ b/{{cookiecutter.package_name}}/tests/unit/api/test_setup.py
@@ -1,2 +1,2 @@
-def test_apiver_exports(apiver_deps):
-    assert sorted(name for name in dir(apiver_deps) if not name.startswith("_")) == []
+def test_apiver_exports(apiver_module):
+    assert sorted(name for name in dir(apiver_module) if not name.startswith("_")) == []