diff --git a/setup.py b/setup.py
index cdb7ab4..eac60a1 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@
     license='MIT',
     description=('A simple WebSocket server'),
     long_description=open('README.md').read(),
+    long_description_content_type='text/markdown',
     url='https://github.com/pikhovkin/simple-websocket-server',
     classifiers=[
         'Development Status :: 5 - Production/Stable',