diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 29a6cfa..d3080b8 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.2.0
+current_version = 4.2.1
 commit = true
 tag = true
 tag_name = {new_version}
diff --git a/CHANGES b/CHANGES
index da5d18a..c203c1a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,12 @@
 Unreleased
 ==========
+
+4.2.1
+=====
+- Update setup.py for PyPI compatibility
+
+4.2.0
+=====
 - Update for Wagtail > 5.2
 - Drop support for Django < 4.2
 - Drop support for Wagtail < 5.2
diff --git a/docs/conf.py b/docs/conf.py
index 7711e4b..f2f0826 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -57,7 +57,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = "4.2.0"
+version = "4.2.1"
 release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
@@ -140,7 +140,7 @@
 # The name for this set of Sphinx documents.
 # "<project> v<release> documentation" by default.
 #
-# html_title = 'wagtail-factories v4.2.0'
+# html_title = 'wagtail-factories v4.2.1'
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #
diff --git a/setup.py b/setup.py
index b198749..d540812 100755
--- a/setup.py
+++ b/setup.py
@@ -26,9 +26,10 @@
 
 setup(
     name="wagtail_factories",
-    version="4.2.0",
+    version="4.2.1",
     description="Factory boy classes for wagtail",
     long_description=long_description,
+    long_description_content_type="text/markdown",
     author="Michael van Tellingen",
     author_email="michaelvantellingen@gmail.com",
     url="https://github.com/wagtail/wagtail-factories/",
diff --git a/src/wagtail_factories/__init__.py b/src/wagtail_factories/__init__.py
index 29b42f2..17f1886 100644
--- a/src/wagtail_factories/__init__.py
+++ b/src/wagtail_factories/__init__.py
@@ -1,4 +1,4 @@
 from .blocks import *  # noqa
 from .factories import *  # noqa
 
-__version__ = "4.2.0"
+__version__ = "4.2.1"