diff --git a/setup.cfg b/setup.cfg
index 58054071..3bb98964 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,7 +17,7 @@ exclude = .tox,.git,docs,venv,.venv
 ignore_missing_imports = true
 
 [metadata]
-description-file = README.md
+description_file = README.md
 
 [tool:pytest]
 testpaths = tests