diff --git a/CMakeLists.txt b/CMakeLists.txt
index 604b7f57b..435840614 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ include(cmake/modules/tfel.cmake)
 include(cmake/modules/autotools.cmake)
 
 #major and minor version
-tfel_project(3 3 "6-dev")
+tfel_project(3 3 "6")
 set(CMAKE_CXX_STANDARD 11)
 set(CXX_STANDARD_REQUIRED ON)
 set(PACKAGE_BUGREPORT "tfel-contact@cea.fr")