diff --git a/tests/unit_tests/test_asyncapi.py b/tests/unit_tests/test_asyncapi.py
new file mode 100644
index 000000000..b84e695d9
--- /dev/null
+++ b/tests/unit_tests/test_asyncapi.py
@@ -0,0 +1,22 @@
+import re
+from importlib.metadata import version
+from pathlib import Path
+
+ROOT = Path(__file__).parents[2]
+ASYNCAPI_PATH = ROOT / "docs" / "reference" / "asyncapi.yaml"
+
+EVENT_MODEL_TAG_URL = re.compile(
+    r"https://raw\.githubusercontent\.com/bluesky/event-model/refs/tags/v([\d.]+)/"
+)
+
+
+def test_asyncapi_event_model_refs_match_pinned_version() -> None:
+    expected_version = version("event-model")
+
+    versions_found = set(EVENT_MODEL_TAG_URL.findall(ASYNCAPI_PATH.read_text()))
+
+    assert versions_found, "No event-model schema references found in asyncapi.yaml"
+    assert versions_found == {expected_version}, (
+        f"asyncapi.yaml references event-model version(s) {versions_found}, "
+        f"but pyproject.toml pins event-model=={expected_version}"
+    )