diff --git a/setup.cfg b/setup.cfg
index daeb92a..42a579b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 name = radio-beam
 description = Operations for radio astronomy beams with astropy
-long_description = file: README.rst
+long_description = file: README.md
 author = Adam Leroy, Adam Ginsburg, Erik Rosolowsky, Tom Robitaille, and Eric Koch
 author_email = adam.g.ginsburg@gmail.com, koch.eric.w@gmail.com
 license = BSD