diff --git a/setup.cfg b/setup.cfg
index 173d095..fc0fbc6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ license = MIT
 license_files = LICENSE
 description = CLI tool to search text in XLSX, XLS, CSV, TSV and ODS files. It works similarly to Unix\GNU Linux grep.
 url = https://github.com/zazuum/xlsxgrep
-long_description = README.md
+long_description = file: README.md
 long_description_content_type = text/markdown
 classifiers =
     Environment :: Console