diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4af1276..d5c579d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.11)
 project(jsd
     DESCRIPTION "JPL SOEM Drivers"
-    VERSION 4.0.0
+    VERSION 6.0.0
     LANGUAGES C CXX
     )