diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 98d30ef..c7145b0 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,18 @@
 Changelog
 =========
 
+-------------------
+0.12.2 - 2024-01-11
+-------------------
+
+Improvements
+============
+
+-  Generic
+
+   -  add metadata to documentation
+   -  add getter for well-know DH parameter by parameter numbers
+
 -------------------
 0.12.1 - 2023-12-13
 -------------------
diff --git a/cryptodatahub/__setup__.py b/cryptodatahub/__setup__.py
index 0d3b6ea..663dccc 100644
--- a/cryptodatahub/__setup__.py
+++ b/cryptodatahub/__setup__.py
@@ -2,7 +2,7 @@
 
 __title__ = 'CryptoDataHub'
 __technical_name__ = __title__.lower()
-__version__ = '0.12.1'
+__version__ = '0.12.2'
 __description__ = 'Repository of cryptography-related data'
 __author__ = 'Szilárd Pfeiffer'
 __author_email__ = 'coroner@pfeifferszilard.hu'