diff --git a/.gitignore b/.gitignore
index fd09476..4a85b00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ __pycache__
 build
 dist
 src/pytask_parallel/_version.py
+tests/test_jupyter/file.txt
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5857bd5..347348a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -65,7 +65,7 @@ repos:
             attrs,
             cloudpickle,
             loky,
-            pytask>=0.4.0,
+            pytask>=0.4.5,
             rich,
             types-click,
             types-setuptools,
diff --git a/CHANGES.md b/CHANGES.md
index 1210989..4a64b3e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask-parallel) and
 - {pull}`72` moves the project to `pyproject.toml`.
 - {pull}`75` updates the release strategy.
 - {pull}`79` add tests for Jupyter and fix parallelization with `PythonNode`s.
+- {pull}`82` fixes testing with pytask v0.4.5.
 
 ## 0.4.0 - 2023-10-07
 
diff --git a/environment.yml b/environment.yml
index 7b2ab71..27498f2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -12,7 +12,7 @@ dependencies:
   - toml
 
   # Package dependencies
-  - pytask>=0.4.0
+  - pytask>=0.4.5
   - cloudpickle
   - loky
   - optree
diff --git a/pyproject.toml b/pyproject.toml
index d9a0995..df23f52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
     "cloudpickle",
     "loky",
     "pluggy>=1.0.0",
-    "pytask>=0.4.0",
+    "pytask>=0.4.5",
     "rich"
 ]
 dynamic = ["version"]
@@ -52,8 +52,8 @@ Tracker = "https://github.com/pytask-dev/pytask-parallel/issues"
 [tool.setuptools]
 include-package-data = true
 zip-safe = false
-platforms = [ "any",]
-license-files = [ "LICENSE",]
+platforms = ["any"]
+license-files = ["LICENSE"]
 
 [tool.check-manifest]
 ignore = ["src/pytask_parallel/_version.py"]
diff --git a/tests/conftest.py b/tests/conftest.py
index 8cba383..ef47c25 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,11 +1,14 @@
 from __future__ import annotations
 
+import os
 import sys
 from contextlib import contextmanager
 from typing import Callable
 
 import pytest
 from click.testing import CliRunner
+from nbmake.pytest_items import NotebookItem
+from pytask import storage
 
 
 class SysPathsSnapshot:
@@ -62,6 +65,7 @@ def _restore_sys_path_and_module_after_test_execution():
 class CustomCliRunner(CliRunner):
     def invoke(self, *args, **kwargs):
         """Restore sys.path and sys.modules after an invocation."""
+        storage.create()
         with restore_sys_path_and_module_after_test_execution():
             return super().invoke(*args, **kwargs)
 
@@ -69,3 +73,11 @@ def invoke(self, *args, **kwargs):
 @pytest.fixture()
 def runner():
     return CustomCliRunner()
+
+
+def pytest_collection_modifyitems(session, config, items) -> None:  # noqa: ARG001
+    """Add markers to Jupyter notebook tests."""
+    if sys.platform == "darwin" and "CI" in os.environ:  # pragma: no cover
+        for item in items:
+            if isinstance(item, NotebookItem):
+                item.add_marker(pytest.mark.xfail(reason="Fails regularly on MacOS"))