diff --git a/docs/source/changes.md b/docs/source/changes.md
index da1c05b7..bcfd3d7d 100644
--- a/docs/source/changes.md
+++ b/docs/source/changes.md
@@ -5,7 +5,13 @@ chronological order. Releases follow [semantic versioning](https://semver.org/)
 releases are available on [PyPI](https://pypi.org/project/pytask) and
 [Anaconda.org](https://anaconda.org/conda-forge/pytask).
 
-## 0.4.2 - 2023-xx-xx
+## 0.4.3 - 2023-11-xx
+
+- {pull}`483` simplifies the teardown of a task.
+- {pull}`485` adds missing steps to unconfigure pytask after the job is done which
+  caused flaky tests.
+
+## 0.4.2 - 2023-11-8
 
 - {pull}`449` simplifies the code building the plugin manager.
 - {pull}`451` improves `collect_command.py` and renames `graph.py` to `dag_command.py`.
@@ -30,7 +36,6 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
   It is delegated to the check during the execution.
 - {pull}`481` improves coverage.
 - {pull}`482` correctly handles names and signatures of {class}`~pytask.PythonNode`.
-- {pull}`483` simplifies the teardown of a task.
 
 ## 0.4.1 - 2023-10-11
 
diff --git a/src/_pytask/build.py b/src/_pytask/build.py
index 1234bc33..3152bc88 100644
--- a/src/_pytask/build.py
+++ b/src/_pytask/build.py
@@ -278,7 +278,6 @@ def build(  # noqa: C901, PLR0912, PLR0913
             session.exit_code = ExitCode.FAILED
 
         session.hook.pytask_unconfigure(session=session)
-
     return session
 
 
diff --git a/src/_pytask/clean.py b/src/_pytask/clean.py
index 3aaa2884..15ea6add 100644
--- a/src/_pytask/clean.py
+++ b/src/_pytask/clean.py
@@ -165,6 +165,7 @@ def clean(**raw_config: Any) -> NoReturn:  # noqa: C901, PLR0912
             console.rule(style="failed")
             session.exit_code = ExitCode.FAILED
 
+    session.hook.pytask_unconfigure(session=session)
     sys.exit(session.exit_code)
 
 
diff --git a/src/_pytask/collect_command.py b/src/_pytask/collect_command.py
index 064d85fd..31c6b8a5 100644
--- a/src/_pytask/collect_command.py
+++ b/src/_pytask/collect_command.py
@@ -101,6 +101,7 @@ def collect(**raw_config: Any | None) -> NoReturn:
             console.print_exception()
             console.rule(style="failed")
 
+    session.hook.pytask_unconfigure(session=session)
     sys.exit(session.exit_code)
 
 
diff --git a/src/_pytask/dag_command.py b/src/_pytask/dag_command.py
index d9034791..5eeef7da 100644
--- a/src/_pytask/dag_command.py
+++ b/src/_pytask/dag_command.py
@@ -115,6 +115,7 @@ def dag(**raw_config: Any) -> int:
             console.print(Traceback.from_exception(*exc_info))
             console.rule(style="failed")
 
+    session.hook.pytask_unconfigure(session=session)
     sys.exit(session.exit_code)
 
 
@@ -198,6 +199,7 @@ def build_dag(raw_config: dict[str, Any]) -> nx.DiGraph:
             )
             session.hook.pytask_collect(session=session)
             session.hook.pytask_dag(session=session)
+            session.hook.pytask_unconfigure(session=session)
             dag = _refine_dag(session)
 
         except Exception:
diff --git a/src/_pytask/mark/__init__.py b/src/_pytask/mark/__init__.py
index 97ac4ed6..f99d1b74 100644
--- a/src/_pytask/mark/__init__.py
+++ b/src/_pytask/mark/__init__.py
@@ -66,6 +66,7 @@ def markers(**raw_config: Any) -> NoReturn:
 
         console.print(table)
 
+    session.hook.pytask_unconfigure(session=session)
     sys.exit(session.exit_code)
 
 
diff --git a/src/_pytask/profile.py b/src/_pytask/profile.py
index 794e4906..4c873f5d 100644
--- a/src/_pytask/profile.py
+++ b/src/_pytask/profile.py
@@ -150,6 +150,7 @@ def profile(**raw_config: Any) -> NoReturn:
             console.print_exception()
             console.rule(style="failed")
 
+    session.hook.pytask_unconfigure(session=session)
     sys.exit(session.exit_code)