diff --git a/CHANGES.rst b/CHANGES.rst
index 2cd3144b..70adbca9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,7 @@
 Version 2.2.1
 -------------
 
-Unreleased
+Released 2022-08-03
 
 -   Setting or accessing ``json_encoder`` or ``json_decoder`` raises a
     deprecation warning. :issue:`4732`
diff --git a/src/flask/__init__.py b/src/flask/__init__.py
index 6a993341..6acd1e0b 100644
--- a/src/flask/__init__.py
+++ b/src/flask/__init__.py
@@ -42,7 +42,7 @@ from .templating import render_template_string as render_template_string
 from .templating import stream_template as stream_template
 from .templating import stream_template_string as stream_template_string
 
-__version__ = "2.2.1.dev"
+__version__ = "2.2.1"
 
 
 def __getattr__(name):