diff --git a/changelog.md b/changelog.md
index 5ef3488..ddf226f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 2.3.0
+- Add encrypted payload support to `manifest-tool`:
+  - Add `encrypted-raw` payload format and encrypted payload information to manifest configuration file.
+- Add encrypted payload support to `manifest-dev-tool`:
+  - Add `--encrypted-digest` and `--encrypted-size` options to `create` command.
+  - Add `--encrypt-payload` option to `update`.
+- Build wheels for `manylinux_2_24_x86_64`.
+- Improve the tool help and the `README.md` file.
+
 ## 2.2.0
 - Changes to `manifest-dev-tool`:
   - Improve timeout and connection error handling.
diff --git a/manifesttool/__init__.py b/manifesttool/__init__.py
index 70c0487..ee72c6a 100644
--- a/manifesttool/__init__.py
+++ b/manifesttool/__init__.py
@@ -16,4 +16,4 @@
 # limitations under the License.
 # ----------------------------------------------------------------------------
 
-__version__ = "2.2.0"
+__version__ = "2.3.0rc1"
diff --git a/tox.ini b/tox.ini
index a7ddaf8..79d9228 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,7 +60,7 @@ skip_install=True
 deps =
 # FIXME - use '{envpython} setup.py --fullname'
 setenv =
-    SDIST_TAR_NAME = manifest-tool-2.2.0.tar.gz
+    SDIST_TAR_NAME = manifest-tool-2.3.0rc1.tar.gz
 commands =
     {envpython} setup.py egg_info
     {envpython} setup.py sdist