diff --git a/setup.cfg b/setup.cfg
index 4fa8de7..04e3412 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -69,7 +69,7 @@ install_requires =
     tinynetrc >= 1.3.1
     toml >= 0.10.0
     mock >= 3.0.5
-    packaging >= 21.3
+    packaging >= 21.0.0
     packvers >= 21.5
 [options.packages.find]
 where = src