diff --git a/CHANGES.rst b/CHANGES.rst
index 4fca8994..02897683 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -9,7 +9,7 @@ reader changelog
 Version 0.21
 ------------
 
-Unreleased
+Released 2020-04-04
 
 * Minor consistency improvements to the web app search button. (`#122`_)
 * Add support for web application plugins. (`#80`_)
diff --git a/src/reader/__init__.py b/src/reader/__init__.py
index 63130638..ee523dcb 100644
--- a/src/reader/__init__.py
+++ b/src/reader/__init__.py
@@ -37,7 +37,7 @@
 
 """
 
-__version__ = '0.21.dev0'
+__version__ = '0.21'
 
 
 from .core.reader import Reader, make_reader