diff --git a/changelogs/fragments/ansible-test-pytest-forked.yml b/changelogs/fragments/ansible-test-pytest-forked.yml
new file mode 100644
index 00000000000..a8a58ce0a1c
--- /dev/null
+++ b/changelogs/fragments/ansible-test-pytest-forked.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - ansible-test - Update unit tests to use the ``--forked`` option instead of the deprecated ``--boxed`` option.
diff --git a/test/lib/ansible_test/_data/requirements/units.txt b/test/lib/ansible_test/_data/requirements/units.txt
index d723a65fc66..d2f56d35a92 100644
--- a/test/lib/ansible_test/_data/requirements/units.txt
+++ b/test/lib/ansible_test/_data/requirements/units.txt
@@ -2,4 +2,5 @@ mock
 pytest
 pytest-mock
 pytest-xdist
+pytest-forked
 pyyaml  # required by the collection loader (only needed for collections)
diff --git a/test/lib/ansible_test/_internal/commands/units/__init__.py b/test/lib/ansible_test/_internal/commands/units/__init__.py
index dc3def32cfe..b4625ead4b4 100644
--- a/test/lib/ansible_test/_internal/commands/units/__init__.py
+++ b/test/lib/ansible_test/_internal/commands/units/__init__.py
@@ -237,7 +237,7 @@ def command_units(args):  # type: (UnitsConfig) -> None
     for test_context, python, paths, env in test_sets:
         cmd = [
             'pytest',
-            '--boxed',
+            '--forked',
             '-r', 'a',
             '-n', str(args.num_workers) if args.num_workers else 'auto',
             '--color',