diff --git a/CHANGES.rst b/CHANGES.rst
index 6c280417f..89b488b35 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,8 @@
 Release History
 ---------------
 
-Release 0.5.3 (in development)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Release 0.5.3 (2021-06-16)
+~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 New Features:
 
@@ -28,6 +28,8 @@ Changed:
 
 Fixed:
 
+* Citation definitions are not output when using sphinx (#262, PR #268 by
+  Alex Fargus)
 * Setting the *base* for a style to ``PARENT_STYLE`` results in a crash.
 * docutils image directive: crash when encountering a width/height containing a
   decimal point (#251 by Karel Frajtak)
@@ -39,6 +41,9 @@ Fixed:
 * A heading is still displayed in the page header even if it doesn't fit on the
   page and thus moved to the next
 
+Part of the work included in this release was kindly sponsored by `Joby
+Aviation <https://www.jobyaviation.com>`_.
+
 
 Release 0.5.2 (2021-02-24)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/src/rinoh/__init__.py b/src/rinoh/__init__.py
index af9887911..b11ab809d 100644
--- a/src/rinoh/__init__.py
+++ b/src/rinoh/__init__.py
@@ -35,7 +35,7 @@
 
 
 __version__ = importlib_metadata.version('rinohtype')
-__release_date__ = 'in development'
+__release_date__ = '2021-06-16'
 
 
 from . import resource