diff --git a/pyproject.toml b/pyproject.toml
index 95acbafe..10b224f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,10 @@ lines-after-imports = 2
 [tool.pytest.ini_options]
 DJANGO_SETTINGS_MODULE = "airlock.settings"
 
+markers = [
+  "functional: marks functional (playwright) tests as (deselect with '-m \"not functional\"')",
+]
+
 [tool.coverage.run]
 branch = true
 
diff --git a/tests/functional/test_page.py b/tests/functional/test_page.py
index 2c62f88d..4e8de0d3 100644
--- a/tests/functional/test_page.py
+++ b/tests/functional/test_page.py
@@ -1,6 +1,10 @@
+import pytest
 from playwright.sync_api import expect
 
 
+pytestmark = pytest.mark.functional
+
+
 def test_admin_page_can_load(page, live_server):
     admin_url = f"{live_server.url}/admin"
     page.goto(admin_url)