diff --git a/setup.cfg b/setup.cfg
index ac9819b..f49332f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,7 @@ classifiers =
 license = BSD
 description = Pytest plugin with advanced doctest features.
 long_description = file: README.rst
+long_description_content_type = text/x-rst
 keywords = doctest, rst, pytest, py.test
 
 [options]