diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 11de61b05..b9c588029 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,16 @@
 Changelog
 ---------
 
+3.22.0 (2024-08-20)
+*******************
+
+Features:
+
+- Add ``many`` Meta option to ``Schema`` so it expects a collection by default (:issue:`2270`).
+  Thanks :user:`himalczyk` for reporting and :user:`deckar01` for the PR.
+- Refactor hooks (:pr:`2279`).
+  Thanks :user:`deckar01` for the PR.
+
 3.21.3 (2024-06-05)
 *******************
 
diff --git a/pyproject.toml b/pyproject.toml
index da0f3f839..e6115c144 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "marshmallow"
-version = "3.21.3"
+version = "3.22.0"
 description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
 readme = "README.rst"
 license = { file = "LICENSE" }