diff --git a/CHANGES b/CHANGES
index 17a32b7..64bfc74 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+5.2.1 2021-06-25
+~~~~~~~~~~~~~~~~
+
+* Fixed issue where a force ingest on a catalogue-only archive would fail.
+
 5.2 2021-06-22
 ~~~~~~~~~~~~~~
 
diff --git a/DEVELOPER.rst b/DEVELOPER.rst
index 1937d0b..633ce54 100644
--- a/DEVELOPER.rst
+++ b/DEVELOPER.rst
@@ -24,7 +24,6 @@ For the muninn package:
 - Update version number in ``setup.py``
 - Update version number in ``README.rst`` (3x)
 - Check the list of dependencies in the ``README.rst``
-- Check version numbers mentioned elsewhere in the ``README.rst``
 - Check the upgrade instructions in ``README.rst``
 - Add change history entry in ``CHANGES``
 - Check that the content of ``EXTENSIONS.rst`` is up to date
diff --git a/README.rst b/README.rst
index 4fb9cf1..f9ecb61 100644
--- a/README.rst
+++ b/README.rst
@@ -62,12 +62,12 @@ often require super user privileges.
 
 Using pip: ::
 
-  $ pip install muninn-5.2.tar.gz
+  $ pip install muninn-5.2.1.tar.gz
 
 Using setup.py: ::
 
-  $ tar xvfz muninn-5.2.tar.gz
-  $ cd muninn-5.2
+  $ tar xvfz muninn-5.2.1.tar.gz
+  $ cd muninn-5.2.1
   $ python setup.py install
 
 The muninn distribution contains a generic archiving framework that cannot be
diff --git a/muninn/__init__.py b/muninn/__init__.py
index 3f7f809..a0104d8 100644
--- a/muninn/__init__.py
+++ b/muninn/__init__.py
@@ -4,7 +4,7 @@
 
 from __future__ import absolute_import, division, print_function
 
-__version__ = "5.2"
+__version__ = "5.2.1"
 __copyright__ = "Copyright (C) 2014-2021 S[&]T, The Netherlands."
 
 __all__ = ["Error", "InternalError", "Struct", "Archive", "open", "config_path"]
diff --git a/setup.py b/setup.py
index 3e24f58..712509a 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name="muninn",
-    version="5.2",
+    version="5.2.1",
     description="Data product catalogue and archive system",
     url="https://github.com/stcorp/muninn",
     author="S[&]T",