diff --git a/robot_calibration/CHANGELOG.rst b/robot_calibration/CHANGELOG.rst
index d278a5b1..88cd2a8a 100644
--- a/robot_calibration/CHANGELOG.rst
+++ b/robot_calibration/CHANGELOG.rst
@@ -2,8 +2,8 @@
 Changelog for package robot_calibration
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Forthcoming
------------
+0.9.0 (2024-04-23)
+------------------
 * deprecated header has been removed for j-turtle (`#162 <https://github.com/mikeferguson/robot_calibration/issues/162>`_)
   this branch now only supports Iron and later, update CI to reflect that
 * update checkerboard comment (`#160 <https://github.com/mikeferguson/robot_calibration/issues/160>`_)
diff --git a/robot_calibration/package.xml b/robot_calibration/package.xml
index 47ba87fa..111d43e6 100644
--- a/robot_calibration/package.xml
+++ b/robot_calibration/package.xml
@@ -2,7 +2,7 @@
 <package format="3">
 
   <name>robot_calibration</name>
-  <version>0.8.1</version>
+  <version>0.9.0</version>
   <description>
     Calibrate a Robot
   </description>
diff --git a/robot_calibration_msgs/CHANGELOG.rst b/robot_calibration_msgs/CHANGELOG.rst
index 923d6e32..968f2408 100644
--- a/robot_calibration_msgs/CHANGELOG.rst
+++ b/robot_calibration_msgs/CHANGELOG.rst
@@ -2,8 +2,8 @@
 Changelog for package robot_calibration_msgs
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Forthcoming
------------
+0.9.0 (2024-04-23)
+------------------
 
 0.8.1 (2023-11-25)
 ------------------
diff --git a/robot_calibration_msgs/package.xml b/robot_calibration_msgs/package.xml
index 67cabb71..2a8af9ba 100644
--- a/robot_calibration_msgs/package.xml
+++ b/robot_calibration_msgs/package.xml
@@ -2,7 +2,7 @@
 <package format="3">
 
   <name>robot_calibration_msgs</name>
-  <version>0.8.1</version>
+  <version>0.9.0</version>
   <description>
     Messages for calibrating a robot
   </description>