diff --git a/tests/unit/test_monitor.py b/tests/unit/test_monitor.py
new file mode 100644
index 000000000..f9af06a9c
--- /dev/null
+++ b/tests/unit/test_monitor.py
@@ -0,0 +1,6 @@
+import pytest
+
+
+def test_deprecation_warning():
+    with pytest.warns(DeprecationWarning):
+        import hdmf.monitor  # noqa: F401