diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 777d8da..1c7dac3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,36 @@
 Changelog
 =========
 
+-------------------
+0.12.6 - 2024-12-08
+-------------------
+
+Features
+========
+
+-  Generic
+
+   -  add certificate transparency (CT) logs (#24)
+
+Improvements
+============
+
+-  Generic
+
+   -  add elliptic-curve parameters (#24)
+
+   -  add missing PQC named curves (#29)
+
+      | ``SecP256r1MLKEM768``, ``X25519MLKEM768``
+
+-  TLS
+
+   -  add missing PQC named curves (#29)
+
+      | ``SECP256R1_ML_KEM_768``, ``X25519_ML_KEM_768``
+
+   -  add capabilities for Firefox version 108-133 (#30)
+
 -------------------
 0.12.5 - 2024-05-25
 -------------------
diff --git a/cryptodatahub/__setup__.py b/cryptodatahub/__setup__.py
index 2b7bc51..801a871 100644
--- a/cryptodatahub/__setup__.py
+++ b/cryptodatahub/__setup__.py
@@ -2,7 +2,7 @@
 
 __title__ = 'CryptoDataHub'
 __technical_name__ = __title__.lower()
-__version__ = '0.12.5'
+__version__ = '0.12.6'
 __description__ = 'Repository of cryptography-related data'
 __author__ = 'Szilárd Pfeiffer'
 __author_email__ = 'coroner@pfeifferszilard.hu'