diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e8f1b4..43344c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,11 @@ include( CheckSymbolExists )
 include( TDEMacros )
 
 
+##### set version number ########################
+
+tde_set_project_version( )
+
+
 ##### optional stuff
 
 option( WITH_ALL_OPTIONS "Enable all optional support" OFF )