diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e51b27..bb030c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## v0.6: Planetary Masses
+
+- Add planetary masses.
+- Modify some of the constants.
+
 ## v0.5: Effects
 
 - Added stars in background for a better sense of velocity.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 25f85c7..c7d3209 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ cmake_minimum_required(VERSION 3.10)
 project(SpaceShipSim C)
 
 set(TARGET_NAME "spaceshipsim")
-set(TARGET_VERSION "0.5")
+set(TARGET_VERSION "0.6")
 
 if(NOT CMAKE_BUILD_TYPE)
 	set(CMAKE_BUILD_TYPE "release")