diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 65340ccf..80d775a4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -5,6 +5,8 @@ Changelog
 
 This document records the main changes to the ``sdssdb`` code.
 
+* Use Markdown for the README file. The old README.rst was giving trouble when packaging the app.
+
 * :release:`0.12.1 <2024-07-19>`
 * add cadence dark_flexible_3x1.csv
 * fixing removed column from astra source table
diff --git a/setup.cfg b/setup.cfg
index 1284178d..7f506d33 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = sdssdb
-version = 0.12.2a0
+version = 0.12.2b1
 author = José Sánchez-Gallego
 author_email = gallegoj@uw.edu
 description = SDSS product for database management
@@ -8,7 +8,7 @@ url = https://github.com/sdss/sdssdb
 project_urls =
 	Repository = https://github.com/sdss/sdssdb
 	Documentation = https://sdssdb.readthedocs.org
-long_description = file: README.rst
+long_description = file: README.md
 long_description_content_type = text/x-rst
 keywords = astronomy, software, database
 license = BSD 3-Clause License