diff --git a/setup.cfg b/setup.cfg
index d7bb3fa6..bb8de17a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,7 +4,7 @@ commit = True
 tag = True
 
 [metadata]
-description-file = README.md
+description_file = README.md
 
 [flake8]
 max-line-length = 120