diff --git a/CMakeLists.txt b/CMakeLists.txt
index 28f862fd..f6b6ac87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
 #============================================================================
 # Initialize the project
 #============================================================================
-project(ignition-msgs6 VERSION 6.5.0)
+project(ignition-msgs6 VERSION 6.6.0)
 
 #============================================================================
 # Find ignition-cmake
diff --git a/Changelog.md b/Changelog.md
index 8d897802..9e164191 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,19 @@
 ## Ignition Msgs 6.x
 
+### Ignition Msgs 6.6.0 (2021-08-30)
+
+1. Adds PerformanceSensorMetrics proto message.
+    * [Pull request #172](https://github.com/ignitionrobotics/ign-msgs/pull/172)
+
+1. Detect ign instead of using cmake module to check for ignition-tools
+    * [Pull request #166](https://github.com/ignitionrobotics/ign-msgs/pull/166)
+
+1. Bazel build support for ign-msgs6
+    * [Pull request #95](https://github.com/ignitionrobotics/ign-msgs/pull/95)
+
+1. Remove tools/code_check and update codecov
+    * [Pull request #164](https://github.com/ignitionrobotics/ign-msgs/pull/164)
+
 ### Ignition Msgs 6.5.0 (2021-04-06)
 
 1. Added particle_emitter vector message
@@ -83,11 +97,11 @@
 
 ### Ignition Msgs 5.7.0 (2021-03-17)
 
-1. Add ignition version of nav_msgs/OccupancyGrid (backport #138) 
+1. Add ignition version of nav_msgs/OccupancyGrid (backport #138)
     * [Pull request 143](https://github.com/ignitionrobotics/ign-msgs/pull/143)
     * [Pull request 143](https://github.com/ignitionrobotics/ign-msgs/pull/138)
 
-1. Master branch updates 
+1. Master branch updates
     * [Pull request 141](https://github.com/ignitionrobotics/ign-msgs/pull/141)
 
 1. Add windows installation; move installation in README to tutorial