diff --git a/setup.py b/setup.py
index e179e42..32ac2ba 100644
--- a/setup.py
+++ b/setup.py
@@ -37,6 +37,7 @@ def git_pep440_version():
 setup(name = name,
         version = version,
         description = 'Total Phase Aardvark library',
+        long_description_content_type = 'text/markdown',
         long_description = readme,
         author = 'Michael Walle',
         author_email = 'michael.walle@kontron.com',