diff --git a/CMakeLists.txt b/CMakeLists.txt
index d938b1dba..4e5012744 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ find_package(ignition-cmake2 2.8.0 REQUIRED)
 # Configure the project
 #============================================================================
 set (c++standard 17)
-ign_configure_project(VERSION_SUFFIX pre1)
+ign_configure_project(VERSION_SUFFIX)
 
 #============================================================================
 # Set project-specific options
diff --git a/Changelog.md b/Changelog.md
index 77386e3b9..3bdbd14ea 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,7 +2,7 @@
 
 ## Ignition Math 6.x.x
 
-## Ignition Math 6.9.0 (2021-09-XX)
+## Ignition Math 6.9.0 (2021-09-28)
 
 1. Volume below a plane for spheres and boxes
     * [Pull request #219](https://github.com/ignitionrobotics/ign-math/pull/219)
@@ -64,6 +64,8 @@
     * [Pull request #209](https://github.com/ignitionrobotics/ign-math/pull/209)
     * [Pull request #227](https://github.com/ignitionrobotics/ign-math/pull/227)
     * [Pull request #225](https://github.com/ignitionrobotics/ign-math/pull/225)
+    * [Pull request #252](https://github.com/ignitionrobotics/ign-math/pull/252)
+    * [Pull request #253](https://github.com/ignitionrobotics/ign-math/pull/253)
 
 ## Ignition Math 6.8.0 (2021-03-30)