diff --git a/cmake/GeoModel-version.cmake b/cmake/GeoModel-version.cmake
index ab98dd532b3bf3d1dbc39c6af6ad71b1829b7dd1..ddc8a2630924183427fe264a2b5c72ebb81afc19 100644
--- a/cmake/GeoModel-version.cmake
+++ b/cmake/GeoModel-version.cmake
@@ -1,5 +1,5 @@
 # Set up the version of GeoModel as a cache variable, so that other
 # sub-projects could use this value.
-set( GeoModel_VERSION "5.6.0" CACHE STRING
+set( GeoModel_VERSION "6.0.0" CACHE STRING
     "Version of the GeoModel project" )