diff --git a/setup.cfg b/setup.cfg
index 5ca9b95..6a63306 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,7 @@ classifiers =
 license = Apache License, Version 2.0
 description = Command line tool to build documentation for ROS packages.
 long_description = file: README.md
+long_description_content_type = text/markdown
 keywords = rosdoc2
 
 [options]