diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c8bf6da8..d4f8e3f0 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,8 +2,8 @@
 Changelog for package rcutils
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Forthcoming
------------
+6.3.1 (2023-09-07)
+------------------
 * Remove unused 'max' functions from sha256.c (`#429 <https://github.com/ros2/rcutils/issues/429>`_)
 * Contributors: Chris Lalancette
 
diff --git a/package.xml b/package.xml
index 36f6f606..749fa09d 100644
--- a/package.xml
+++ b/package.xml
@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format2.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="2">
   <name>rcutils</name>
-  <version>6.3.0</version>
+  <version>6.3.1</version>
   <description>Package containing various utility types and functions for C</description>
 
   <maintainer email="alejandro@openrobotics.org">Alejandro Hernandez Cordero</maintainer>