diff --git a/hypothesis-python/docs/changes.rst b/hypothesis-python/docs/changes.rst
index 01da4084b1..5828cb1fe5 100644
--- a/hypothesis-python/docs/changes.rst
+++ b/hypothesis-python/docs/changes.rst
@@ -18,6 +18,14 @@ Hypothesis 6.x
 
     .. include:: ../RELEASE.rst
 
+.. _v6.123.5:
+
+--------------------
+6.123.5 - 2025-01-07
+--------------------
+
+Internal code refactoring for the typed choice sequence (:issue:`3921`). May have some neutral effect on shrinking.
+
 .. _v6.123.4:
 
 --------------------
diff --git a/hypothesis-python/src/hypothesis/version.py b/hypothesis-python/src/hypothesis/version.py
index 41b1641ed6..9252aee31d 100644
--- a/hypothesis-python/src/hypothesis/version.py
+++ b/hypothesis-python/src/hypothesis/version.py
@@ -8,5 +8,5 @@
 # v. 2.0. If a copy of the MPL was not distributed with this file, You can
 # obtain one at https://mozilla.org/MPL/2.0/.
 
-__version_info__ = (6, 123, 4)
+__version_info__ = (6, 123, 5)
 __version__ = ".".join(map(str, __version_info__))