diff --git a/tests/integration/test_parser_validate_policy_version.py b/tests/integration/test_parser_validate_policy_version.py
new file mode 100644
index 00000000..39f11b73
--- /dev/null
+++ b/tests/integration/test_parser_validate_policy_version.py
@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+from openamp_foundry.cli.main import build_parser
+
+
+def test_validate_policy_version_parser_defaults_are_stable():
+    parser = build_parser()
+    args = parser.parse_args([
+        "validate-policy-version",
+        "--current-policy",
+        "current.yaml",
+        "--previous-policy",
+        "previous.yaml",
+    ])
+
+    assert args.command == "validate-policy-version"
+    assert args.current_policy == "current.yaml"
+    assert args.previous_policy == "previous.yaml"
+    assert args.decision_log_dir is None
+    assert args.today is None