diff --git a/CHANGES.rst b/CHANGES.rst
index 5a1adc3b44..60ea3bff80 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,7 @@
 Version 2.3.3
 -------------
 
-Unreleased
+Released 2023-08-21
 
 -   Python 3.12 compatibility.
 -   Require Werkzeug >= 2.3.7.
diff --git a/src/flask/__init__.py b/src/flask/__init__.py
index dfe2a0aad0..bdca1b0149 100644
--- a/src/flask/__init__.py
+++ b/src/flask/__init__.py
@@ -38,7 +38,7 @@
 from .templating import stream_template as stream_template
 from .templating import stream_template_string as stream_template_string
 
-__version__ = "2.3.3.dev"
+__version__ = "2.3.3"
 
 
 def __getattr__(name):