diff --git a/pyproject.toml b/pyproject.toml
index 07404b82..0ae54b63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,7 @@ optional-dependencies.dev = [
     "python-dotenv==1.1.0",
     "pyyaml==6.0.2",
     "requests-mock-flask==2025.1.13",
-    "ruff==0.11.13",
+    "ruff==0.12.0",
     # We add shellcheck-py not only for shell scripts and shell code blocks,
     # but also because having it installed means that ``actionlint-py`` will
     # use it to lint shell commands in GitHub workflow files.
diff --git a/tests/mock_vws/test_add_target.py b/tests/mock_vws/test_add_target.py
index 3c61b933..7134b994 100644
--- a/tests/mock_vws/test_add_target.py
+++ b/tests/mock_vws/test_add_target.py
@@ -674,6 +674,7 @@ class TestActiveFlag:
         argvalues=[True, False, None],
     )
     def test_valid(
+        *,
         active_flag: bool | None,
         image_file_failed_state: io.BytesIO,
         vws_client: VWS,
diff --git a/tests/mock_vws/test_query.py b/tests/mock_vws/test_query.py
index 53736d03..f2a34c16 100644
--- a/tests/mock_vws/test_query.py
+++ b/tests/mock_vws/test_query.py
@@ -1133,6 +1133,7 @@ def test_all(
         argvalues=["a", True, 0],
     )
     def test_invalid_value(
+        *,
         high_quality_image: io.BytesIO,
         vuforia_database: VuforiaDatabase,
         include_target_data: str | bool | int,