diff --git a/Changelog.rst b/Changelog.rst
index e50a20d4..1d57775f 100644
--- a/Changelog.rst
+++ b/Changelog.rst
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-Under Development
+3.20.0 (9 January 2024)
 ++++++++++++++++++++++++++
 
 New features
@@ -16,6 +16,11 @@ New features
 * Export of RSA keys accepts the ``prot_params`` dictionary
   as parameter to control the number of iterations for PBKDF2
   and scrypt.
+* C unit tests also run on non-x86 architectures.
+
+Resolved issues
+---------------
+* GH#787: Fixed autodetect logic for GCC 14 in combination with LTO.
 
 3.19.1 (28 December 2023)
 ++++++++++++++++++++++++++
diff --git a/lib/Crypto/__init__.py b/lib/Crypto/__init__.py
index 128a7e11..c33481e2 100644
--- a/lib/Crypto/__init__.py
+++ b/lib/Crypto/__init__.py
@@ -1,6 +1,6 @@
 __all__ = ['Cipher', 'Hash', 'Protocol', 'PublicKey', 'Util', 'Signature',
            'IO', 'Math']
 
-version_info = (3, 20, '0b0')
+version_info = (3, 20, '0')
 
 __version__ = ".".join([str(x) for x in version_info])