diff --git a/setup.py b/setup.py
index 65e3c3a6..83b1c117 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
         "andi",
         "python-dateutil",
         "time-machine",
-        "packaging",
+        "packaging >= 20.0",
         "backports.zoneinfo; python_version < '3.9' and platform_system != 'Windows'",
     ],
     classifiers=[