diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 06bcd09f..38127263 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -23,8 +23,8 @@ please consider sponsoring bidict on GitHub.`
    Click the "Watch" dropdown, choose "Custom", and then choose "Releases".
 
 
-0.23.1 (not yet released)
--------------------------
+0.23.1 (2024-02-18)
+-------------------
 
 Fix a regression in 0.23.0 that could defeat type inference
 of a bidict's key type and value type when running in Python 3.8 or 3.9.
diff --git a/bidict/metadata.py b/bidict/metadata.py
index f37a16df..30ad836b 100644
--- a/bidict/metadata.py
+++ b/bidict/metadata.py
@@ -6,7 +6,7 @@
 
 """Define bidict package metadata."""
 
-__version__ = '0.23.1.dev0'
+__version__ = '0.23.1'
 __author__ = {'name': 'Joshua Bronson', 'email': 'jabronson@gmail.com'}
 __copyright__ = '© 2009-2024 Joshua Bronson'
 __description__ = 'The bidirectional mapping library for Python.'