diff --git a/lib/ansible/galaxy/dependency_resolution/providers.py b/lib/ansible/galaxy/dependency_resolution/providers.py
index 8d4252aeca4..8571c4bc917 100644
--- a/lib/ansible/galaxy/dependency_resolution/providers.py
+++ b/lib/ansible/galaxy/dependency_resolution/providers.py
@@ -51,7 +51,7 @@ class CollectionDependencyProvider(AbstractProvider):
     def __init__(
             self,
             apis: MultiGalaxyAPIProxy,
-            concrete_artifacts_manager: ConcreteArtifactsManager | None = None,
+            concrete_artifacts_manager: ConcreteArtifactsManager,
             preferred_candidates: _c.Iterable[Candidate] | None = None,
             with_deps: bool = True,
             with_pre_releases: bool = False,
diff --git a/test/sanity/code-smell/mypy/ansible-core.ini b/test/sanity/code-smell/mypy/ansible-core.ini
index 7fca8aeb02f..9e005acdbe8 100644
--- a/test/sanity/code-smell/mypy/ansible-core.ini
+++ b/test/sanity/code-smell/mypy/ansible-core.ini
@@ -23,6 +23,9 @@ ignore_missing_imports = True
 [mypy-ansible_test.*]
 ignore_missing_imports = True
 
+[mypy-ansible.galaxy.dependency_resolution.*]
+strict_optional = True
+
 [mypy-ansible.module_utils.six.moves.*]
 ignore_missing_imports = True